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38039902 = 253358867
BaseRepresentation
bin1001000100011…
…1000101011110
32122120121221021
42101013011132
534214234102
63435154354
7641222335
oct221070536
978517837
1038039902
111a521a3a
12108a59ba
137b5b624
1450a2d1c
153516137
hex244715e

38039902 has 8 divisors (see below), whose sum is σ = 58136616. Its totient is φ = 18661032.

The previous prime is 38039899. The next prime is 38039927. The reversal of 38039902 is 20993083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 179328 + ... + 179539.

It is an arithmetic number, because the mean of its divisors is an integer number (7267077).

Almost surely, 238039902 is an apocalyptic number.

38039902 is a deficient number, since it is larger than the sum of its proper divisors (20096714).

38039902 is a wasteful number, since it uses less digits than its factorization.

38039902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358922.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 38039902 is about 6167.6496333693. The cubic root of 38039902 is about 336.3151745530.

The spelling of 38039902 in words is "thirty-eight million, thirty-nine thousand, nine hundred two".

Divisors: 1 2 53 106 358867 717734 19019951 38039902