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500991107 = 1921797753
BaseRepresentation
bin11101110111001…
…000010010000011
31021220200222121012
4131313020102003
52011223203412
6121413551135
715262232321
oct3567102203
91256628535
10500991107
11237884041
1211b9454ab
137ca41256
144a772d11
152deb1c22
hex1ddc8483

500991107 has 12 divisors (see below), whose sum is σ = 531769320. Its totient is φ = 471910752.

The previous prime is 500991097. The next prime is 500991121. The reversal of 500991107 is 701199005.

It is not a de Polignac number, because 500991107 - 24 = 500991091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500991157) 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, 60743 + ... + 68495.

It is an arithmetic number, because the mean of its divisors is an integer number (44314110).

Almost surely, 2500991107 is an apocalyptic number.

500991107 is a deficient number, since it is larger than the sum of its proper divisors (30778213).

500991107 is a wasteful number, since it uses less digits than its factorization.

500991107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7970 (or 7951 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 500991107 is about 22382.8306297483. The cubic root of 500991107 is about 794.2246079537.

The spelling of 500991107 in words is "five hundred million, nine hundred ninety-one thousand, one hundred seven".

Divisors: 1 19 179 361 3401 7753 64619 147307 1387787 2798833 26367953 500991107