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268988946 = 23418291319
BaseRepresentation
bin10000000010000…
…111001000010010
3200202011001110120
4100002013020102
51022330121241
642405211110
76444240222
oct2002071022
9622131416
10268988946
11128923416
1276100a96
1343960875
1427a20082
1518935666
hex10087212

268988946 has 32 divisors (see below), whose sum is σ = 552182400. Its totient is φ = 87304320.

The previous prime is 268988911. The next prime is 268988963. The reversal of 268988946 is 649889862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 268988946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203275 + ... + 204593.

It is an arithmetic number, because the mean of its divisors is an integer number (17255700).

Almost surely, 2268988946 is an apocalyptic number.

268988946 is an abundant number, since it is smaller than the sum of its proper divisors (283193454).

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

268988946 is a wasteful number, since it uses less digits than its factorization.

268988946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its digits is 11943936, while the sum is 60.

The square root of 268988946 is about 16400.8824762572. The cubic root of 268988946 is about 645.5226387113.

The spelling of 268988946 in words is "two hundred sixty-eight million, nine hundred eighty-eight thousand, nine hundred forty-six".

Divisors: 1 2 3 6 41 82 123 246 829 1319 1658 2487 2638 3957 4974 7914 33989 54079 67978 101967 108158 162237 203934 324474 1093451 2186902 3280353 6560706 44831491 89662982 134494473 268988946