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38685612 = 2237460543
BaseRepresentation
bin1001001110010…
…0101110101100
32200210102200110
42103210232230
534400414422
63501100020
7646552020
oct223445654
980712613
1038685612
111a923089
1210b57610
1380264c4
1451d0380
1535e260c
hex24e4bac

38685612 has 24 divisors (see below), whose sum is σ = 103161856. Its totient is φ = 11053008.

The previous prime is 38685593. The next prime is 38685617. The reversal of 38685612 is 21658683.

It is a happy number.

38685612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38685617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230188 + ... + 230355.

Almost surely, 238685612 is an apocalyptic number.

It is an amenable number.

38685612 is an abundant number, since it is smaller than the sum of its proper divisors (64476244).

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

38685612 is a wasteful number, since it uses less digits than its factorization.

38685612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460557 (or 460555 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 38685612 is about 6219.7758802066. The cubic root of 38685612 is about 338.2074400909.

The spelling of 38685612 in words is "thirty-eight million, six hundred eighty-five thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 460543 921086 1381629 1842172 2763258 3223801 5526516 6447602 9671403 12895204 19342806 38685612