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495463081 = 222592
BaseRepresentation
bin11101100010000…
…010101010101001
31021112022010120111
4131202002222221
52003314304311
6121055254321
715164236531
oct3542025251
91245263514
10495463081
11234748823
12119b1a3a1
137b857029
1449b344c1
152d76dd21
hex1d882aa9

495463081 has 3 divisors (see below), whose sum is σ = 495485341. Its totient is φ = 495440822.

The previous prime is 495463069. The next prime is 495463123. The reversal of 495463081 is 180364594.

The square root of 495463081 is 22259.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 495463081 - 27 = 495462953 is a prime.

It is a super-2 number, since 2×4954630812 = 490967329268025122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495463021) 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 2 ways as a sum of consecutive naturals, for example, 11130 + ... + 33388.

Almost surely, 2495463081 is an apocalyptic number.

495463081 is the 22259-th square number.

495463081 is the 11130-th centered octagonal number.

It is an amenable number.

495463081 is a deficient number, since it is larger than the sum of its proper divisors (22260).

495463081 is an frugal number, since it uses more digits than its factorization.

495463081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44518 (or 22259 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The cubic root of 495463081 is about 791.2925914979.

The spelling of 495463081 in words is "four hundred ninety-five million, four hundred sixty-three thousand, eighty-one".

Divisors: 1 22259 495463081