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268705844 = 221111815171
BaseRepresentation
bin10000000001000…
…010000000110100
3200201121200010022
4100001002000310
51022242041334
642355144312
76441650651
oct2001020064
9621550108
10268705844
1112874a750
1275ba5098
1343891a54
1427988c28
15188cb82e
hex10042034

268705844 has 24 divisors (see below), whose sum is σ = 513517536. Its totient is φ = 122012000.

The previous prime is 268705837. The next prime is 268705891. The reversal of 268705844 is 448507862.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 268705795 and 268705804.

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, 49379 + ... + 54549.

It is an arithmetic number, because the mean of its divisors is an integer number (21396564).

Almost surely, 2268705844 is an apocalyptic number.

It is an amenable number.

268705844 is a deficient number, since it is larger than the sum of its proper divisors (244811692).

268705844 is a wasteful number, since it uses less digits than its factorization.

268705844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367 (or 6365 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 268705844 is about 16392.2495100581. The cubic root of 268705844 is about 645.2960954492.

The spelling of 268705844 in words is "two hundred sixty-eight million, seven hundred five thousand, eight hundred forty-four".

Divisors: 1 2 4 11 22 44 1181 2362 4724 5171 10342 12991 20684 25982 51964 56881 113762 227524 6106951 12213902 24427804 67176461 134352922 268705844