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38375240 = 2352573733
BaseRepresentation
bin1001001001100…
…0111101001000
32200012122221012
42102120331020
534311001430
63450303052
7644120111
oct222307510
980178835
1038375240
111a730982
1210a27a88
137c48157
14514d208
153580695
hex2498f48

38375240 has 32 divisors (see below), whose sum is σ = 86703480. Its totient is φ = 15286272.

The previous prime is 38375219. The next prime is 38375251. The reversal of 38375240 is 4257383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37920964 + 454276 = 6158^2 + 674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38375197 and 38375206.

It is an unprimeable number.

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, 8414 + ... + 12146.

Almost surely, 238375240 is an apocalyptic number.

It is an amenable number.

38375240 is an abundant number, since it is smaller than the sum of its proper divisors (48328240).

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

38375240 is a wasteful number, since it uses less digits than its factorization.

38375240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 38375240 is about 6194.7752178751. The cubic root of 38375240 is about 337.3005387496.

The spelling of 38375240 in words is "thirty-eight million, three hundred seventy-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 257 514 1028 1285 2056 2570 3733 5140 7466 10280 14932 18665 29864 37330 74660 149320 959381 1918762 3837524 4796905 7675048 9593810 19187620 38375240