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38914128 = 24331119431
BaseRepresentation
bin1001010001110…
…0100001010000
32201020001011000
42110130201100
534430223003
63510022000
7651523161
oct224344120
981201130
1038914128
111aa69840
1211047900
1380a6516
14524d768
15363a1a3
hex251c850

38914128 has 160 divisors (see below), whose sum is σ = 128563200. Its totient is φ = 11145600.

The previous prime is 38914123. The next prime is 38914133. The reversal of 38914128 is 82141983.

It is an interprime number because it is at equal distance from previous prime (38914123) and next prime (38914133).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 38914092 and 38914101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38914123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90073 + ... + 90503.

It is an arithmetic number, because the mean of its divisors is an integer number (803520).

Almost surely, 238914128 is an apocalyptic number.

38914128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38914128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281600).

38914128 is an abundant number, since it is smaller than the sum of its proper divisors (89649072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38914128 is a wasteful number, since it uses less digits than its factorization.

38914128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 466 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 38914128 is about 6238.1189472468. The cubic root of 38914128 is about 338.8720638705.

The spelling of 38914128 in words is "thirty-eight million, nine hundred fourteen thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 19 22 24 27 33 36 38 44 48 54 57 66 72 76 88 99 108 114 132 144 152 171 176 198 209 216 228 264 297 304 342 396 418 431 432 456 513 528 594 627 684 792 836 862 912 1026 1188 1254 1293 1368 1584 1672 1724 1881 2052 2376 2508 2586 2736 3344 3448 3762 3879 4104 4741 4752 5016 5172 5643 6896 7524 7758 8189 8208 9482 10032 10344 11286 11637 14223 15048 15516 16378 18964 20688 22572 23274 24567 28446 30096 31032 32756 37928 42669 45144 46548 49134 56892 62064 65512 73701 75856 85338 90079 90288 93096 98268 113784 128007 131024 147402 170676 180158 186192 196536 221103 227568 256014 270237 294804 341352 360316 393072 442206 512028 540474 589608 682704 720632 810711 884412 1024056 1080948 1179216 1441264 1621422 1768824 2048112 2161896 2432133 3242844 3537648 4323792 4864266 6485688 9728532 12971376 19457064 38914128