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38520252 = 2233973677
BaseRepresentation
bin1001001011110…
…0010110111100
32200111000212000
42102330112330
534330122002
63453342300
7645262641
oct222742674
980430760
1038520252
111a81a921
1210a97990
137c99164
145189dc8
1535ad61c
hex24bc5bc

38520252 has 48 divisors (see below), whose sum is σ = 100924320. Its totient is φ = 12704256.

The previous prime is 38520227. The next prime is 38520253. The reversal of 38520252 is 25202583.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38520253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8638 + ... + 12314.

It is an arithmetic number, because the mean of its divisors is an integer number (2102590).

Almost surely, 238520252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38520252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50462160).

38520252 is an abundant number, since it is smaller than the sum of its proper divisors (62404068).

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

38520252 is a wasteful number, since it uses less digits than its factorization.

38520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 38520252 is about 6206.4685611062. The cubic root of 38520252 is about 337.7248674274.

The spelling of 38520252 in words is "thirty-eight million, five hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 97 108 194 291 388 582 873 1164 1746 2619 3492 3677 5238 7354 10476 11031 14708 22062 33093 44124 66186 99279 132372 198558 356669 397116 713338 1070007 1426676 2140014 3210021 4280028 6420042 9630063 12840084 19260126 38520252