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264309668 = 22779119489
BaseRepresentation
bin11111100000100…
…00101110100100
3200102100022200222
433300100232210
51020130402133
642121023512
76356411060
oct1760205644
9612308628
10264309668
11126217847
1274624b98
13429b2a6c
1427162aa0
151830de98
hexfc10ba4

264309668 has 24 divisors (see below), whose sum is σ = 535315200. Its totient is φ = 111840768.

The previous prime is 264309649. The next prime is 264309671. The reversal of 264309668 is 866903462.

It is an unprimeable number.

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, 57533 + ... + 61956.

It is an arithmetic number, because the mean of its divisors is an integer number (22304800).

Almost surely, 2264309668 is an apocalyptic number.

264309668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

264309668 is an abundant number, since it is smaller than the sum of its proper divisors (271005532).

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

264309668 is a wasteful number, since it uses less digits than its factorization.

264309668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119579 (or 119577 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 264309668 is about 16257.6033904140. The cubic root of 264309668 is about 641.7575939360.

The spelling of 264309668 in words is "two hundred sixty-four million, three hundred nine thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 2212 119489 238978 477956 836423 1672846 3345692 9439631 18879262 37758524 66077417 132154834 264309668