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268730 = 25711349
BaseRepresentation
bin1000001100110111010
3111122121222
41001212322
532044410
65432042
72166320
oct1014672
9448558
10268730
111739a0
1210b622
1395417
146dd10
1554955
hex419ba

268730 has 32 divisors (see below), whose sum is σ = 604800. Its totient is φ = 83520.

The previous prime is 268729. The next prime is 268733. The reversal of 268730 is 37862.

It is a self number, because there is not a number n which added to its sum of digits gives 268730.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2268730 is an apocalyptic number.

268730 is an abundant number, since it is smaller than the sum of its proper divisors (336070).

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

268730 is a wasteful number, since it uses less digits than its factorization.

268730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 268730 is about 518.3917437614. The cubic root of 268730 is about 64.5315431718.

The spelling of 268730 in words is "two hundred sixty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 349 385 698 770 1745 2443 3490 3839 4886 7678 12215 19195 24430 26873 38390 53746 134365 268730