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38545056 = 253211233
BaseRepresentation
bin1001001100001…
…0011010100000
32200112021212200
42103002122200
534331420211
63454053200
7645425154
oct223023240
980467780
1038545056
111a837520
1210aaa200
137ca7534
145195064
1535b5b56
hex24c26a0

38545056 has 144 divisors (see below), whose sum is σ = 125012160. Its totient is φ = 11172480.

The previous prime is 38545021. The next prime is 38545057. The reversal of 38545056 is 65054583.

It is a tau number, because it is divible by the number of its divisors (144).

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 a self number, because there is not a number n which added to its sum of digits gives 38545056.

It is not an unprimeable number, because it can be changed into a prime (38545057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1675861 + ... + 1675883.

It is an arithmetic number, because the mean of its divisors is an integer number (868140).

Almost surely, 238545056 is an apocalyptic number.

38545056 is a gapful number since it is divisible by the number (36) 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 38545056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62506080).

38545056 is an abundant number, since it is smaller than the sum of its proper divisors (86467104).

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

38545056 is a wasteful number, since it uses less digits than its factorization.

38545056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 38545056 is about 6208.4664773195. The cubic root of 38545056 is about 337.7973412543.

The spelling of 38545056 in words is "thirty-eight million, five hundred forty-five thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 23 24 32 33 36 44 46 48 66 69 72 88 92 96 99 132 138 144 176 184 198 207 253 264 276 288 352 368 396 414 506 528 529 552 736 759 792 828 1012 1056 1058 1104 1518 1584 1587 1656 2024 2116 2208 2277 3036 3168 3174 3312 4048 4232 4554 4761 5819 6072 6348 6624 8096 8464 9108 9522 11638 12144 12167 12696 16928 17457 18216 19044 23276 24288 24334 25392 34914 36432 36501 38088 46552 48668 50784 52371 69828 72864 73002 76176 93104 97336 104742 109503 133837 139656 146004 152352 186208 194672 209484 219006 267674 279312 292008 389344 401511 418968 438012 535348 558624 584016 803022 837936 876024 1070696 1168032 1204533 1606044 1675872 1752048 2141392 2409066 3212088 3504096 4282784 4818132 6424176 9636264 12848352 19272528 38545056