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268434904 = 232910491103
BaseRepresentation
bin11111111111111…
…11110111011000
3200201002220110111
433333333313120
51022204404104
642345254104
76436442023
oct1777776730
9621086414
10268434904
11128585131
1275a94334
13437c862a
14279181ba
1518876404
hexffffdd8

268434904 has 32 divisors (see below), whose sum is σ = 521640000. Its totient is φ = 129348352.

The previous prime is 268434857. The next prime is 268434937. The reversal of 268434904 is 409434862.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242817 + ... + 243919.

It is an arithmetic number, because the mean of its divisors is an integer number (16301250).

Almost surely, 2268434904 is an apocalyptic number.

It is an amenable number.

268434904 is a deficient number, since it is larger than the sum of its proper divisors (253205096).

268434904 is a wasteful number, since it uses less digits than its factorization.

268434904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 268434904 is about 16383.9831542882. The cubic root of 268434904 is about 645.0791353739.

The spelling of 268434904 in words is "two hundred sixty-eight million, four hundred thirty-four thousand, nine hundred four".

Divisors: 1 2 4 8 29 58 116 232 1049 1103 2098 2206 4196 4412 8392 8824 30421 31987 60842 63974 121684 127948 243368 255896 1157047 2314094 4628188 9256376 33554363 67108726 134217452 268434904