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268134538 = 2719152467
BaseRepresentation
bin11111111101101…
…10100010001010
3200200112122102211
433332312202022
51022120301123
642335015334
76434051230
oct1776664212
9620478384
10268134538
1112839a4a1
127596a54a
13437219b9
142787a950
151881740d
hexffb688a

268134538 has 8 divisors (see below), whose sum is σ = 459659232. Its totient is φ = 114914796.

The previous prime is 268134521. The next prime is 268134569. The reversal of 268134538 is 835431862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2681345382 = 143792260936946888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268134538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9576220 + ... + 9576247.

It is an arithmetic number, because the mean of its divisors is an integer number (57457404).

Almost surely, 2268134538 is an apocalyptic number.

268134538 is a deficient number, since it is larger than the sum of its proper divisors (191524694).

268134538 is a wasteful number, since it uses less digits than its factorization.

268134538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19152476.

The product of its digits is 138240, while the sum is 40.

The square root of 268134538 is about 16374.8141363498. The cubic root of 268134538 is about 644.8384411981.

The spelling of 268134538 in words is "two hundred sixty-eight million, one hundred thirty-four thousand, five hundred thirty-eight".

Divisors: 1 2 7 14 19152467 38304934 134067269 268134538