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38808967 = 371048891
BaseRepresentation
bin1001010000001…
…0110110000111
32201000200220011
42110002312013
534413341332
63503451051
7650604451
oct224026607
981020804
1038808967
111a9a782a
1210bb6a87
13806a6b2
1452232d1
153618e47
hex2502d87

38808967 has 4 divisors (see below), whose sum is σ = 39857896. Its totient is φ = 37760040.

The previous prime is 38808929. The next prime is 38808971. The reversal of 38808967 is 76980883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38808967 - 27 = 38808839 is a prime.

It is a super-2 number, since 2×388089672 = 3012271839214178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38808967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38808907) by changing a digit.

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, 524409 + ... + 524482.

It is an arithmetic number, because the mean of its divisors is an integer number (9964474).

Almost surely, 238808967 is an apocalyptic number.

38808967 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38808967 is a deficient number, since it is larger than the sum of its proper divisors (1048929).

38808967 is a wasteful number, since it uses less digits than its factorization.

38808967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048928.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 38808967 is about 6229.6843419230. The cubic root of 38808967 is about 338.5665340961.

The spelling of 38808967 in words is "thirty-eight million, eight hundred eight thousand, nine hundred sixty-seven".

Divisors: 1 37 1048891 38808967