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268966260 = 223251494257
BaseRepresentation
bin10000000010000…
…001100101110100
3200202002220100100
4100002001211310
51022323410020
642404514100
76444114123
oct2002014564
9622086310
10268966260
11128908372
12760ab930
1343953444
1427a15aba
151892da90
hex10081974

268966260 has 36 divisors (see below), whose sum is σ = 815864868. Its totient is φ = 71724288.

The previous prime is 268966259. The next prime is 268966279. The reversal of 268966260 is 62669862.

It can be written as a sum of positive squares in 2 ways, for example, as 74028816 + 194937444 = 8604^2 + 13962^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 746949 + ... + 747308.

It is an arithmetic number, because the mean of its divisors is an integer number (22662913).

Almost surely, 2268966260 is an apocalyptic number.

268966260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268966260 is an abundant number, since it is smaller than the sum of its proper divisors (546898608).

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

268966260 is a wasteful number, since it uses less digits than its factorization.

268966260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494272 (or 1494267 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 268966260 is about 16400.1908525480. The cubic root of 268966260 is about 645.5044908301.

The spelling of 268966260 in words is "two hundred sixty-eight million, nine hundred sixty-six thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1494257 2988514 4482771 5977028 7471285 8965542 13448313 14942570 17931084 22413855 26896626 29885140 44827710 53793252 67241565 89655420 134483130 268966260