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268047812 = 22292310757
BaseRepresentation
bin11111111101000…
…01010111000100
3200200101020110202
433332201113010
51022110012222
642333110032
76433240334
oct1776412704
9620336422
10268047812
1112834031a
1275928318
13436c1396
14278570c4
15187eb892
hexffa15c4

268047812 has 12 divisors (see below), whose sum is σ = 485259180. Its totient is φ = 129402336.

The previous prime is 268047811. The next prime is 268047817. The reversal of 268047812 is 218740862.

It can be written as a sum of positive squares in 2 ways, for example, as 186759556 + 81288256 = 13666^2 + 9016^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (268047811) 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, 1155263 + ... + 1155494.

It is an arithmetic number, because the mean of its divisors is an integer number (40438265).

Almost surely, 2268047812 is an apocalyptic number.

It is an amenable number.

268047812 is a deficient number, since it is larger than the sum of its proper divisors (217211368).

268047812 is a wasteful number, since it uses less digits than its factorization.

268047812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310790 (or 2310788 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 268047812 is about 16372.1657699890. The cubic root of 268047812 is about 644.7689110665.

The spelling of 268047812 in words is "two hundred sixty-eight million, forty-seven thousand, eight hundred twelve".

Divisors: 1 2 4 29 58 116 2310757 4621514 9243028 67011953 134023906 268047812