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38628860 = 2256131663
BaseRepresentation
bin1001001101011…
…0110111111100
32200200112211112
42103112313330
534342110420
63455541152
7646224404
oct223266774
980615745
1038628860
111a894486
1210b2a7b8
13800671a
1451b7804
1535d08c5
hex24d6dfc

38628860 has 24 divisors (see below), whose sum is σ = 82453056. Its totient is φ = 15197760.

The previous prime is 38628857. The next prime is 38628901. The reversal of 38628860 is 6882683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14612 + ... + 17051.

It is an arithmetic number, because the mean of its divisors is an integer number (3435544).

Almost surely, 238628860 is an apocalyptic number.

It is an amenable number.

38628860 is an abundant number, since it is smaller than the sum of its proper divisors (43824196).

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

38628860 is a wasteful number, since it uses less digits than its factorization.

38628860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31733 (or 31731 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 38628860 is about 6215.2119835127. The cubic root of 38628860 is about 338.0419751099.

The spelling of 38628860 in words is "thirty-eight million, six hundred twenty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 31663 63326 126652 158315 316630 633260 1931443 3862886 7725772 9657215 19314430 38628860