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38508620 = 2251925431
BaseRepresentation
bin1001001011100…
…1100001001100
32200110102220012
42102321201030
534324233440
63453212352
7645214013
oct222714114
980412805
1038508620
111a812107
1210a910b8
137c93a87
145185a7a
1535a9e65
hex24b984c

38508620 has 12 divisors (see below), whose sum is σ = 80868144. Its totient is φ = 15403440.

The previous prime is 38508619. The next prime is 38508677. The reversal of 38508620 is 2680583.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 962696 + ... + 962735.

It is an arithmetic number, because the mean of its divisors is an integer number (6739012).

Almost surely, 238508620 is an apocalyptic number.

It is an amenable number.

38508620 is an abundant number, since it is smaller than the sum of its proper divisors (42359524).

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

38508620 is a wasteful number, since it uses less digits than its factorization.

38508620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925440 (or 1925438 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 38508620 is about 6205.5314035141. The cubic root of 38508620 is about 337.6908696302.

The spelling of 38508620 in words is "thirty-eight million, five hundred eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1925431 3850862 7701724 9627155 19254310 38508620