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268065316 = 22173942137
BaseRepresentation
bin11111111101001…
…01101000100100
3200200102010111001
433332211220210
51022111042231
642333323044
76433342351
oct1776455044
9620363431
10268065316
11128352492
1275936484
13436c933c
142785d628
1518801b61
hexffa5a24

268065316 has 12 divisors (see below), whose sum is σ = 496709388. Its totient is φ = 126148352.

The previous prime is 268065313. The next prime is 268065323. The reversal of 268065316 is 613560862.

It can be written as a sum of positive squares in 2 ways, for example, as 145298916 + 122766400 = 12054^2 + 11080^2 .

It is not an unprimeable number, because it can be changed into a prime (268065313) 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, 1971001 + ... + 1971136.

It is an arithmetic number, because the mean of its divisors is an integer number (41392449).

Almost surely, 2268065316 is an apocalyptic number.

It is an amenable number.

268065316 is a deficient number, since it is larger than the sum of its proper divisors (228644072).

268065316 is a wasteful number, since it uses less digits than its factorization.

268065316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942158 (or 3942156 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 268065316 is about 16372.7003270688. The cubic root of 268065316 is about 644.7829456141.

The spelling of 268065316 in words is "two hundred sixty-eight million, sixty-five thousand, three hundred sixteen".

Divisors: 1 2 4 17 34 68 3942137 7884274 15768548 67016329 134032658 268065316