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968764640 = 2556054779
BaseRepresentation
bin111001101111100…
…010110011100000
32111111220100020212
4321233202303200
53441000432030
6240043553252
733002235464
oct7157426340
92444810225
10968764640
1145792a238
1223052b828
13125921b1c
149293a4a4
155a0b1595
hex39be2ce0

968764640 has 24 divisors (see below), whose sum is σ = 2288706840. Its totient is φ = 387505792.

The previous prime is 968764637. The next prime is 968764649. The reversal of 968764640 is 46467869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968764649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027230 + ... + 3027549.

It is an arithmetic number, because the mean of its divisors is an integer number (95362785).

Almost surely, 2968764640 is an apocalyptic number.

It is an amenable number.

968764640 is an abundant number, since it is smaller than the sum of its proper divisors (1319942200).

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

968764640 is a wasteful number, since it uses less digits than its factorization.

968764640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054794 (or 6054786 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 968764640 is about 31124.9841767028. The cubic root of 968764640 is about 989.4778867849.

The spelling of 968764640 in words is "nine hundred sixty-eight million, seven hundred sixty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 6054779 12109558 24219116 30273895 48438232 60547790 96876464 121095580 193752928 242191160 484382320 968764640