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268725860 = 225133592879
BaseRepresentation
bin10000000001000…
…110111001100100
3200201122200120122
4100001012321210
51022243211420
642355421112
76442063214
oct2001067144
9621580518
10268725860
11128763797
1275bb4798
134389abb0
1427992244
15188d2725
hex10046e64

268725860 has 48 divisors (see below), whose sum is σ = 609638400. Its totient is φ = 98911104.

The previous prime is 268725823. The next prime is 268725881. The reversal of 268725860 is 68527862.

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, 91901 + ... + 94779.

It is an arithmetic number, because the mean of its divisors is an integer number (12700800).

Almost surely, 2268725860 is an apocalyptic number.

268725860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268725860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304819200).

268725860 is an abundant number, since it is smaller than the sum of its proper divisors (340912540).

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

268725860 is a wasteful number, since it uses less digits than its factorization.

268725860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 268725860 is about 16392.8600311233. The cubic root of 268725860 is about 645.3121178348.

The spelling of 268725860 in words is "two hundred sixty-eight million, seven hundred twenty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 359 718 1436 1795 2879 3590 4667 5758 7180 9334 11516 14395 18668 23335 28790 37427 46670 57580 74854 93340 149708 187135 374270 748540 1033561 2067122 4134244 5167805 10335610 13436293 20671220 26872586 53745172 67181465 134362930 268725860