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38645196 = 2233220433
BaseRepresentation
bin1001001101101…
…0110111001100
32200201101020120
42103122313030
534343121241
63500144540
7646323132
oct223326714
980641216
1038645196
111a8a5787
1210b38150
138010ca5
1451bd752
1535d5666
hex24dadcc

38645196 has 12 divisors (see below), whose sum is σ = 90172152. Its totient is φ = 12881728.

The previous prime is 38645149. The next prime is 38645207. The reversal of 38645196 is 69154683.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610205 + ... + 1610228.

It is an arithmetic number, because the mean of its divisors is an integer number (7514346).

Almost surely, 238645196 is an apocalyptic number.

It is an amenable number.

38645196 is an abundant number, since it is smaller than the sum of its proper divisors (51526956).

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

38645196 is a wasteful number, since it uses less digits than its factorization.

38645196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220440 (or 3220438 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 38645196 is about 6216.5260395176. The cubic root of 38645196 is about 338.0896206219.

The spelling of 38645196 in words is "thirty-eight million, six hundred forty-five thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 3220433 6440866 9661299 12881732 19322598 38645196