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38539012 = 2219349921
BaseRepresentation
bin1001001100000…
…0111100000100
32200111222120211
42103000330010
534331222022
63454005204
7645401431
oct223007404
980458524
1038539012
111a832a26
1210aa6804
137ca4865
145192b88
1535b3e77
hex24c0f04

38539012 has 12 divisors (see below), whose sum is σ = 67794076. Its totient is φ = 19169280.

The previous prime is 38538971. The next prime is 38539019. The reversal of 38539012 is 21093583.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22410756 + 16128256 = 4734^2 + 4016^2 .

It is a super-2 number, since 2×385390122 = 2970510891872288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38539019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24189 + ... + 25732.

Almost surely, 238539012 is an apocalyptic number.

It is an amenable number.

38539012 is a deficient number, since it is larger than the sum of its proper divisors (29255064).

38539012 is a wasteful number, since it uses less digits than its factorization.

38539012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50118 (or 50116 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 38539012 is about 6207.9797035751. The cubic root of 38539012 is about 337.7796843953.

The spelling of 38539012 in words is "thirty-eight million, five hundred thirty-nine thousand, twelve".

Divisors: 1 2 4 193 386 772 49921 99842 199684 9634753 19269506 38539012