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495031823 = 111317269757
BaseRepresentation
bin11101100000011…
…001011000001111
31021111111012222222
4131200121120033
52003212004243
6121042125555
715160462316
oct3540313017
91244435888
10495031823
11234483810
121199508bb
137b735950
1449a6127d
152d6d6168
hex1d81960f

495031823 has 32 divisors (see below), whose sum is σ = 618891840. Its totient is φ = 389007360.

The previous prime is 495031813. The next prime is 495031847. The reversal of 495031823 is 328130594.

It is a cyclic number.

It is not a de Polignac number, because 495031823 - 214 = 495015439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495031813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653561 + ... + 654317.

It is an arithmetic number, because the mean of its divisors is an integer number (19340370).

Almost surely, 2495031823 is an apocalyptic number.

495031823 is a deficient number, since it is larger than the sum of its proper divisors (123860017).

495031823 is a wasteful number, since it uses less digits than its factorization.

495031823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 495031823 is about 22249.3106185338. The cubic root of 495031823 is about 791.0629408058.

The spelling of 495031823 in words is "four hundred ninety-five million, thirty-one thousand, eight hundred twenty-three".

Divisors: 1 11 13 17 143 187 221 269 757 2431 2959 3497 4573 8327 9841 12869 38467 50303 59449 108251 141559 167297 203633 653939 1840267 2239963 2647229 3461761 29119519 38079371 45002893 495031823