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268719232 = 272099369
BaseRepresentation
bin10000000001000…
…101010010000000
3200201122100111011
4100001011102000
51022243003412
642355330304
76442034665
oct2001052200
9621570434
10268719232
11128759811
1275bb0994
1343897b82
142798da6c
15188d07a7
hex10045480

268719232 has 16 divisors (see below), whose sum is σ = 535339350. Its totient is φ = 134359552.

The previous prime is 268719193. The next prime is 268719233. The reversal of 268719232 is 232917862.

It can be written as a sum of positive squares in only one way, i.e., 193098816 + 75620416 = 13896^2 + 8696^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (268719233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049557 + ... + 1049812.

Almost surely, 2268719232 is an apocalyptic number.

It is an amenable number.

268719232 is a deficient number, since it is larger than the sum of its proper divisors (266620118).

268719232 is an equidigital number, since it uses as much as digits as its factorization.

268719232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099383 (or 2099371 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 268719232 is about 16392.6578686923. The cubic root of 268719232 is about 645.3068123488.

The spelling of 268719232 in words is "two hundred sixty-eight million, seven hundred nineteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 2099369 4198738 8397476 16794952 33589904 67179808 134359616 268719232