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38742552 = 23323714543
BaseRepresentation
bin1001001111001…
…0101000011000
32200220022210100
42103302220120
534404230202
63502215400
7650210022
oct223625030
980808710
1038742552
111a961942
1210b84560
1380463b4
145207012
15360441c
hex24f2a18

38742552 has 48 divisors (see below), whose sum is σ = 107771040. Its totient is φ = 12564288.

The previous prime is 38742551. The next prime is 38742553. The reversal of 38742552 is 25524783.

38742552 is a `hidden beast` number, since 38 + 74 + 2 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (38742551) and next prime (38742553).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38742551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4608 + ... + 9935.

It is an arithmetic number, because the mean of its divisors is an integer number (2245230).

Almost surely, 238742552 is an apocalyptic number.

It is an amenable number.

38742552 is an abundant number, since it is smaller than the sum of its proper divisors (69028488).

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

38742552 is a wasteful number, since it uses less digits than its factorization.

38742552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592 (or 14585 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 38742552 is about 6224.3515324891. The cubic root of 38742552 is about 338.3732906505.

The spelling of 38742552 in words is "thirty-eight million, seven hundred forty-two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 2664 14543 29086 43629 58172 87258 116344 130887 174516 261774 349032 523548 538091 1047096 1076182 1614273 2152364 3228546 4304728 4842819 6457092 9685638 12914184 19371276 38742552