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275668842 = 2397147317
BaseRepresentation
bin10000011011100…
…101111101101010
3201012201102120010
4100123211331222
51031032400332
643204312350
76555101151
oct2033457552
9635642503
10275668842
11131676099
12783a26b6
134515c177
142887c598
15193049cc
hex106e5f6a

275668842 has 16 divisors (see below), whose sum is σ = 551917152. Its totient is φ = 91793040.

The previous prime is 275668837. The next prime is 275668873. The reversal of 275668842 is 248866572.

It is a junction number, because it is equal to n+sod(n) for n = 275668791 and 275668800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17833 + ... + 29484.

It is an arithmetic number, because the mean of its divisors is an integer number (34494822).

Almost surely, 2275668842 is an apocalyptic number.

275668842 is an abundant number, since it is smaller than the sum of its proper divisors (276248310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275668842 is a wasteful number, since it uses less digits than its factorization.

275668842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48293.

The product of its digits is 1290240, while the sum is 48.

The square root of 275668842 is about 16603.2780498310. The cubic root of 275668842 is about 650.8225027594.

The spelling of 275668842 in words is "two hundred seventy-five million, six hundred sixty-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 971 1942 2913 5826 47317 94634 141951 283902 45944807 91889614 137834421 275668842