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48920931 = 3223236333
BaseRepresentation
bin1011101010011…
…1100101100011
310102001102220100
42322213211203
5100010432211
64504313443
71132551423
oct272474543
9112042810
1048920931
1125684024
1214472883
13a19b1c7
1466d6483
154465156
hex2ea7963

48920931 has 12 divisors (see below), whose sum is σ = 73736208. Its totient is φ = 31195824.

The previous prime is 48920923. The next prime is 48920939. The reversal of 48920931 is 13902984.

It is an interprime number because it is at equal distance from previous prime (48920923) and next prime (48920939).

It is not a de Polignac number, because 48920931 - 23 = 48920923 is a prime.

It is a super-2 number, since 2×489209312 = 4786514979813522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48920939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117960 + ... + 118373.

It is an arithmetic number, because the mean of its divisors is an integer number (6144684).

Almost surely, 248920931 is an apocalyptic number.

48920931 is a deficient number, since it is larger than the sum of its proper divisors (24815277).

48920931 is a wasteful number, since it uses less digits than its factorization.

48920931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236362 (or 236359 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 48920931 is about 6994.3499340539. The cubic root of 48920931 is about 365.7336367077.

The spelling of 48920931 in words is "forty-eight million, nine hundred twenty thousand, nine hundred thirty-one".

Divisors: 1 3 9 23 69 207 236333 708999 2126997 5435659 16306977 48920931