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38701872 = 24321153461
BaseRepresentation
bin1001001110100…
…0101100110000
32200211020222200
42103220230300
534401424442
63501303200
7646650306
oct223505460
980736880
1038701872
111a934320
1210b64b00
138030a21
1451d6276
1535e734c
hex24e8b30

38701872 has 120 divisors (see below), whose sum is σ = 120648528. Its totient is φ = 11481600.

The previous prime is 38701829. The next prime is 38701907. The reversal of 38701872 is 27810783.

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83722 + ... + 84182.

Almost surely, 238701872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38701872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60324264).

38701872 is an abundant number, since it is smaller than the sum of its proper divisors (81946656).

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

38701872 is a wasteful number, since it uses less digits than its factorization.

38701872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 38701872 is about 6221.0828639394. The cubic root of 38701872 is about 338.2548175904.

The spelling of 38701872 in words is "thirty-eight million, seven hundred one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 53 66 72 88 99 106 132 144 159 176 198 212 264 318 396 424 461 477 528 583 636 792 848 922 954 1166 1272 1383 1584 1749 1844 1908 2332 2544 2766 3498 3688 3816 4149 4664 5071 5247 5532 6996 7376 7632 8298 9328 10142 10494 11064 13992 15213 16596 20284 20988 22128 24433 27984 30426 33192 40568 41976 45639 48866 60852 66384 73299 81136 83952 91278 97732 121704 146598 182556 195464 219897 243408 268763 293196 365112 390928 439794 537526 586392 730224 806289 879588 1075052 1172784 1612578 1759176 2150104 2418867 3225156 3518352 4300208 4837734 6450312 9675468 12900624 19350936 38701872