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38158652 = 2272194687
BaseRepresentation
bin1001000110010…
…0000100111100
32122210122211102
42101210010330
534232034102
63441512232
7642225500
oct221440474
978718742
1038158652
111a5a3184
1210942678
137ba06ac
1450d4300
15353b402
hex246413c

38158652 has 18 divisors (see below), whose sum is σ = 77680512. Its totient is φ = 16353624.

The previous prime is 38158651. The next prime is 38158699. The reversal of 38158652 is 25685183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38158651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97148 + ... + 97539.

It is an arithmetic number, because the mean of its divisors is an integer number (4315584).

Almost surely, 238158652 is an apocalyptic number.

It is an amenable number.

38158652 is an abundant number, since it is smaller than the sum of its proper divisors (39521860).

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

38158652 is a wasteful number, since it uses less digits than its factorization.

38158652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194705 (or 194696 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 38158652 is about 6177.2689758501. The cubic root of 38158652 is about 336.6647718527.

The spelling of 38158652 in words is "thirty-eight million, one hundred fifty-eight thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 49 98 196 194687 389374 778748 1362809 2725618 5451236 9539663 19079326 38158652