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279464053 = 112310512
BaseRepresentation
bin10000101010000…
…100100001110101
3201110212020121111
4100222010201311
51033020322203
643421515021
76632256001
oct2052044165
9643766544
10279464053
11133828530
1279712a71
1345b8a75b
1429189701
151980426d
hex10a84875

279464053 has 12 divisors (see below), whose sum is σ = 318428064. Its totient is φ = 242781000.

The previous prime is 279463999. The next prime is 279464069. The reversal of 279464053 is 350464972.

It is a happy number.

It is not a de Polignac number, because 279464053 - 217 = 279332981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 279463997 and 279464015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279464093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265378 + ... + 266428.

It is an arithmetic number, because the mean of its divisors is an integer number (26535672).

Almost surely, 2279464053 is an apocalyptic number.

279464053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

279464053 is a deficient number, since it is larger than the sum of its proper divisors (38964011).

279464053 is an equidigital number, since it uses as much as digits as its factorization.

279464053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 279464053 is about 16717.1783803368. The cubic root of 279464053 is about 653.7955863443.

The spelling of 279464053 in words is "two hundred seventy-nine million, four hundred sixty-four thousand, fifty-three".

Divisors: 1 11 23 253 1051 11561 24173 265903 1104601 12150611 25405823 279464053