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268471956 = 223171316039
BaseRepresentation
bin10000000000001…
…000111010010100
3200201011210021210
4100000020322110
51022212100311
642350141420
76436655034
oct2000107224
9621153253
10268471956
111285aaa55
1275ab1870
134380c45c
14279278c4
15188823a6
hex10008e94

268471956 has 24 divisors (see below), whose sum is σ = 663284160. Its totient is φ = 84226432.

The previous prime is 268471949. The next prime is 268471961. The reversal of 268471956 is 659174862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657816 + ... + 658223.

It is an arithmetic number, because the mean of its divisors is an integer number (27636840).

Almost surely, 2268471956 is an apocalyptic number.

It is an amenable number.

268471956 is an abundant number, since it is smaller than the sum of its proper divisors (394812204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268471956 is a wasteful number, since it uses less digits than its factorization.

268471956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316063 (or 1316061 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 268471956 is about 16385.1138537393. The cubic root of 268471956 is about 645.1088140435.

The spelling of 268471956 in words is "two hundred sixty-eight million, four hundred seventy-one thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1316039 2632078 3948117 5264156 7896234 15792468 22372663 44745326 67117989 89490652 134235978 268471956