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495087953 = 2332124841
BaseRepresentation
bin11101100000100…
…111000101010001
31021111121001222212
4131200213011101
52003220303303
6121043241505
715161115053
oct3540470521
91244531885
10495087953
112345119a8
12119979295
137b755369
1449a778d3
152d6e7ad8
hex1d827151

495087953 has 4 divisors (see below), whose sum is σ = 497213028. Its totient is φ = 492962880.

The previous prime is 495087947. The next prime is 495087973. The reversal of 495087953 is 359780594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359780594 = 2179890297.

It can be written as a sum of positive squares in 2 ways, for example, as 38539264 + 456548689 = 6208^2 + 21367^2 .

It is a cyclic number.

It is not a de Polignac number, because 495087953 - 226 = 427979089 is a prime.

It is a super-2 number, since 2×4950879532 = 490224162411460418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495087973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062188 + ... + 1062653.

It is an arithmetic number, because the mean of its divisors is an integer number (124303257).

Almost surely, 2495087953 is an apocalyptic number.

It is an amenable number.

495087953 is a deficient number, since it is larger than the sum of its proper divisors (2125075).

495087953 is a wasteful number, since it uses less digits than its factorization.

495087953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125074.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 495087953 is about 22250.5719701764. The cubic root of 495087953 is about 791.0928383348.

The spelling of 495087953 in words is "four hundred ninety-five million, eighty-seven thousand, nine hundred fifty-three".

Divisors: 1 233 2124841 495087953