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38680032 = 25317137173
BaseRepresentation
bin1001001110001…
…1010111100000
32200210011000210
42103203113200
534400230112
63501014120
7646526526
oct223432740
980704023
1038680032
111a919976
1210b54340
138023ac1
1451cc316
1535e0b3c
hex24e35e0

38680032 has 96 divisors (see below), whose sum is σ = 108918432. Its totient is φ = 11976704.

The previous prime is 38680021. The next prime is 38680073. The reversal of 38680032 is 23008683.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×386800322 = 2992289751042048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223498 + ... + 223670.

It is an arithmetic number, because the mean of its divisors is an integer number (1134567).

Almost surely, 238680032 is an apocalyptic number.

38680032 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 38680032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54459216).

38680032 is an abundant number, since it is smaller than the sum of its proper divisors (70238400).

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

38680032 is a wasteful number, since it uses less digits than its factorization.

38680032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 38680032 is about 6219.3272948125. The cubic root of 38680032 is about 338.1911783323.

The spelling of 38680032 in words is "thirty-eight million, six hundred eighty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 137 173 204 272 274 346 408 411 519 544 548 692 816 822 1038 1096 1384 1632 1644 2076 2192 2329 2768 2941 3288 4152 4384 4658 5536 5882 6576 6987 8304 8823 9316 11764 13152 13974 16608 17646 18632 23528 23701 27948 35292 37264 47056 47402 55896 70584 71103 74528 94112 94804 111792 141168 142206 189608 223584 282336 284412 379216 402917 568824 758432 805834 1137648 1208751 1611668 2275296 2417502 3223336 4835004 6446672 9670008 12893344 19340016 38680032