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38875392 = 283247359
BaseRepresentation
bin1001010001001…
…1000100000000
32201011002000100
42110103010000
534423003032
63505122400
7651302223
oct224230400
981132010
1038875392
111aa42726
1211029400
1380919ba
14523d5ba
15362d97c
hex2513100

38875392 has 108 divisors (see below), whose sum is σ = 114791040. Its totient is φ = 12647424.

The previous prime is 38875391. The next prime is 38875409. The reversal of 38875392 is 29357883.

38875392 is a `hidden beast` number, since 38 + 87 + 539 + 2 = 666.

It is a super-2 number, since 2×388753922 = 3022592206307328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38875391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108109 + ... + 108467.

It is an arithmetic number, because the mean of its divisors is an integer number (1062880).

Almost surely, 238875392 is an apocalyptic number.

38875392 is a gapful number since it is divisible by the number (32) 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 38875392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57395520).

38875392 is an abundant number, since it is smaller than the sum of its proper divisors (75915648).

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

38875392 is a wasteful number, since it uses less digits than its factorization.

38875392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 411 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 38875392 is about 6235.0133921268. The cubic root of 38875392 is about 338.7595862449.

The spelling of 38875392 in words is "thirty-eight million, eight hundred seventy-five thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 47 48 64 72 94 96 128 141 144 188 192 256 282 288 359 376 384 423 564 576 718 752 768 846 1077 1128 1152 1436 1504 1692 2154 2256 2304 2872 3008 3231 3384 4308 4512 5744 6016 6462 6768 8616 9024 11488 12032 12924 13536 16873 17232 18048 22976 25848 27072 33746 34464 36096 45952 50619 51696 54144 67492 68928 91904 101238 103392 108288 134984 137856 151857 202476 206784 269968 275712 303714 404952 413568 539936 607428 809904 827136 1079872 1214856 1619808 2159744 2429712 3239616 4319488 4859424 6479232 9718848 12958464 19437696 38875392