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38920252 = 2273144839
BaseRepresentation
bin1001010001111…
…0000000111100
32201020100112211
42110132000330
534430422002
63510110204
7651550060
oct224360074
981210484
1038920252
111aa733a8
121104b364
1380a9247
145251aa0
15363bdd7
hex251e03c

38920252 has 24 divisors (see below), whose sum is σ = 80353280. Its totient is φ = 16141680.

The previous prime is 38920241. The next prime is 38920253. The reversal of 38920252 is 25202983.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38920253) 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 7 ways as a sum of consecutive naturals, for example, 21552 + ... + 23287.

Almost surely, 238920252 is an apocalyptic number.

It is an amenable number.

38920252 is an abundant number, since it is smaller than the sum of its proper divisors (41433028).

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

38920252 is a wasteful number, since it uses less digits than its factorization.

38920252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44881 (or 44879 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 38920252 is about 6238.6097810330. The cubic root of 38920252 is about 338.8898392799.

The spelling of 38920252 in words is "thirty-eight million, nine hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 44839 89678 179356 313873 627746 1255492 1390009 2780018 5560036 9730063 19460126 38920252