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38520372 = 223111915359
BaseRepresentation
bin1001001011110…
…0011000110100
32200111001000110
42102330120310
534330122442
63453343020
7645263202
oct222743064
980431013
1038520372
111a81aa20
1210a97a70
137c99227
14518a072
1535ad69c
hex24bc634

38520372 has 48 divisors (see below), whose sum is σ = 103219200. Its totient is φ = 11057760.

The previous prime is 38520359. The next prime is 38520373. The reversal of 38520372 is 27302583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38520373) 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, 5172 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (2150400).

Almost surely, 238520372 is an apocalyptic number.

It is an amenable number.

38520372 is an abundant number, since it is smaller than the sum of its proper divisors (64698828).

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

38520372 is a wasteful number, since it uses less digits than its factorization.

38520372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15396 (or 15394 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 38520372 is about 6206.4782284320. The cubic root of 38520372 is about 337.7252181255.

The spelling of 38520372 in words is "thirty-eight million, five hundred twenty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 627 836 1254 2508 15359 30718 46077 61436 92154 168949 184308 291821 337898 506847 583642 675796 875463 1013694 1167284 1750926 2027388 3210031 3501852 6420062 9630093 12840124 19260186 38520372