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496888681 = 222912
BaseRepresentation
bin11101100111011…
…110101101101001
31021121222120010111
4131213132231221
52004200414211
6121150014321
715212325022
oct3547365551
91247876114
10496888681
11235531903
1211a4a73a1
137bc35b93
1449dc5c49
152d951421
hex1d9deb69

496888681 has 3 divisors (see below), whose sum is σ = 496910973. Its totient is φ = 496866390.

The previous prime is 496888673. The next prime is 496888723. The reversal of 496888681 is 186888694.

The square root of 496888681 is 22291.

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 496888681 - 23 = 496888673 is a prime.

It is a super-2 number, since 2×4968886812 = 493796722611839522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (496888661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11146 + ... + 33436.

It is an arithmetic number, because the mean of its divisors is an integer number (165636991).

Almost surely, 2496888681 is an apocalyptic number.

496888681 is the 22291-st square number.

496888681 is the 11146-th centered octagonal number.

It is an amenable number.

496888681 is a deficient number, since it is larger than the sum of its proper divisors (22292).

496888681 is an frugal number, since it uses more digits than its factorization.

496888681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44582 (or 22291 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 58.

The cubic root of 496888681 is about 792.0507956614.

The spelling of 496888681 in words is "four hundred ninety-six million, eight hundred eighty-eight thousand, six hundred eighty-one".

Divisors: 1 22291 496888681