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495869057 = 2927761729
BaseRepresentation
bin11101100011100…
…101110010000001
31021120001202110122
4131203211302001
52003420302212
6121112110025
715200550245
oct3543456201
91246052418
10495869057
112349a5842
1211a095315
137b969a58
1449bdc425
152d7ee272
hex1d8e5c81

495869057 has 8 divisors (see below), whose sum is σ = 514828200. Its totient is φ = 477033984.

The previous prime is 495869053. The next prime is 495869081. The reversal of 495869057 is 750968594.

It can be written as a sum of positive squares in 4 ways, for example, as 139263601 + 356605456 = 11801^2 + 18884^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495869057 - 22 = 495869053 is a prime.

It is a super-2 number, since 2×4958690572 = 491772243380138498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495869053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22832 + ... + 38897.

It is an arithmetic number, because the mean of its divisors is an integer number (64353525).

Almost surely, 2495869057 is an apocalyptic number.

It is an amenable number.

495869057 is a deficient number, since it is larger than the sum of its proper divisors (18959143).

495869057 is a wasteful number, since it uses less digits than its factorization.

495869057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62035.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 495869057 is about 22268.1175001391. The cubic root of 495869057 is about 791.5086574449.

The spelling of 495869057 in words is "four hundred ninety-five million, eight hundred sixty-nine thousand, fifty-seven".

Divisors: 1 29 277 8033 61729 1790141 17098933 495869057