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38799625 = 53310397
BaseRepresentation
bin1001010000000…
…0100100001001
32201000020002011
42110000210021
534413042000
63503335521
7650535304
oct224004411
981006064
1038799625
111a9a0807
1210bb15a1
138066377
14521db3b
1536162ba
hex2500909

38799625 has 8 divisors (see below), whose sum is σ = 48422088. Its totient is φ = 31039600.

The previous prime is 38799613. The next prime is 38799641. The reversal of 38799625 is 52699783.

It can be written as a sum of positive squares in 4 ways, for example, as 210681 + 38588944 = 459^2 + 6212^2 .

It is not a de Polignac number, because 38799625 - 215 = 38766857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155074 + ... + 155323.

It is an arithmetic number, because the mean of its divisors is an integer number (6052761).

Almost surely, 238799625 is an apocalyptic number.

It is an amenable number.

38799625 is a deficient number, since it is larger than the sum of its proper divisors (9622463).

38799625 is an equidigital number, since it uses as much as digits as its factorization.

38799625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310412 (or 310402 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 38799625 is about 6228.9344995753. The cubic root of 38799625 is about 338.5393656122.

The spelling of 38799625 in words is "thirty-eight million, seven hundred ninety-nine thousand, six hundred twenty-five".

Divisors: 1 5 25 125 310397 1551985 7759925 38799625