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268786051 = 831132341
BaseRepresentation
bin10000000001010…
…101100110000011
3200201202202010221
4100001111212003
51022302123201
642401003511
76442433542
oct2001254603
9621682127
10268786051
111287a4a36
1276023597
13438bc401
14279aa159
15188e54a1
hex10055983

268786051 has 4 divisors (see below), whose sum is σ = 268826704. Its totient is φ = 268745400.

The previous prime is 268786013. The next prime is 268786057. The reversal of 268786051 is 150687862.

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

It is a cyclic number.

It is not a de Polignac number, because 268786051 - 215 = 268753283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268785989 and 268786007.

It is not an unprimeable number, because it can be changed into a prime (268786057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7860 + ... + 24481.

It is an arithmetic number, because the mean of its divisors is an integer number (67206676).

Almost surely, 2268786051 is an apocalyptic number.

268786051 is a deficient number, since it is larger than the sum of its proper divisors (40653).

268786051 is an equidigital number, since it uses as much as digits as its factorization.

268786051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40652.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 268786051 is about 16394.6958190751. The cubic root of 268786051 is about 645.3602946670.

The spelling of 268786051 in words is "two hundred sixty-eight million, seven hundred eighty-six thousand, fifty-one".

Divisors: 1 8311 32341 268786051