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268800538 = 2134400269
BaseRepresentation
bin10000000001011…
…001001000011010
3200201210111000111
4100001121020122
51022303104123
642401154534
76442524016
oct2001311032
9621714014
10268800538
11128804906
127602ba4a
13438c5b96
14279b1546
15188e990d
hex1005921a

268800538 has 4 divisors (see below), whose sum is σ = 403200810. Its totient is φ = 134400268.

The previous prime is 268800509. The next prime is 268800547. The reversal of 268800538 is 835008862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 217061289 + 51739249 = 14733^2 + 7193^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268800538.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67200133 + ... + 67200136.

Almost surely, 2268800538 is an apocalyptic number.

268800538 is a deficient number, since it is larger than the sum of its proper divisors (134400272).

268800538 is a wasteful number, since it uses less digits than its factorization.

268800538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134400271.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 268800538 is about 16395.1376328471. The cubic root of 268800538 is about 645.3718889773.

The spelling of 268800538 in words is "two hundred sixty-eight million, eight hundred thousand, five hundred thirty-eight".

Divisors: 1 2 134400269 268800538