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268722093 = 3432083117
BaseRepresentation
bin10000000001000…
…101111110101101
3200201122111102010
4100001011332231
51022243101333
642355351433
76442046223
oct2001057655
9621574363
10268722093
11128760982
1275bb2579
1343899273
1427990b13
15188d1563
hex10045fad

268722093 has 8 divisors (see below), whose sum is σ = 366628768. Its totient is φ = 174981744.

The previous prime is 268722089. The next prime is 268722109. The reversal of 268722093 is 390227862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268722093 - 22 = 268722089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268722053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041430 + ... + 1041687.

It is an arithmetic number, because the mean of its divisors is an integer number (45828596).

Almost surely, 2268722093 is an apocalyptic number.

It is an amenable number.

268722093 is a deficient number, since it is larger than the sum of its proper divisors (97906675).

268722093 is a wasteful number, since it uses less digits than its factorization.

268722093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083163.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 268722093 is about 16392.7451331374. The cubic root of 268722093 is about 645.3091024916.

The spelling of 268722093 in words is "two hundred sixty-eight million, seven hundred twenty-two thousand, ninety-three".

Divisors: 1 3 43 129 2083117 6249351 89574031 268722093