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38697136 = 242983399
BaseRepresentation
bin1001001110011…
…1100010110000
32200211000111021
42103213202300
534401302021
63501225224
7646630432
oct223474260
980730437
1038697136
111a930805
1210b62214
13802b81a
1451d4652
1535e5c41
hex24e78b0

38697136 has 20 divisors (see below), whose sum is σ = 77562000. Its totient is φ = 18681152.

The previous prime is 38697133. The next prime is 38697143. The reversal of 38697136 is 63179683.

It is a junction number, because it is equal to n+sod(n) for n = 38697092 and 38697101.

It is not an unprimeable number, because it can be changed into a prime (38697133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41236 + ... + 42163.

It is an arithmetic number, because the mean of its divisors is an integer number (3878100).

Almost surely, 238697136 is an apocalyptic number.

It is an amenable number.

38697136 is an abundant number, since it is smaller than the sum of its proper divisors (38864864).

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

38697136 is a wasteful number, since it uses less digits than its factorization.

38697136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83436 (or 83430 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 38697136 is about 6220.7022111656. The cubic root of 38697136 is about 338.2410194623.

The spelling of 38697136 in words is "thirty-eight million, six hundred ninety-seven thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 29 58 116 232 464 83399 166798 333596 667192 1334384 2418571 4837142 9674284 19348568 38697136