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1025316968 = 231311238779
BaseRepresentation
bin111101000111010…
…001100001101000
32122110022111110112
4331013101201220
54044440120333
6245424033452
734260023204
oct7507214150
92573274415
101025316968
114868458a5
12247462888
13134562740
149a25bb04
1560032948
hex3d1d1868

1025316968 has 32 divisors (see below), whose sum is σ = 2072431200. Its totient is φ = 472747968.

The previous prime is 1025316961. The next prime is 1025316989. The reversal of 1025316968 is 8696135201.

It is not an unprimeable number, because it can be changed into a prime (1025316961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112403 + ... + 121181.

It is an arithmetic number, because the mean of its divisors is an integer number (64763475).

Almost surely, 21025316968 is an apocalyptic number.

It is an amenable number.

1025316968 is an abundant number, since it is smaller than the sum of its proper divisors (1047114232).

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

1025316968 is a wasteful number, since it uses less digits than its factorization.

1025316968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921 (or 9917 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1025316968 is about 32020.5710130222. The cubic root of 1025316968 is about 1008.3687578536.

The spelling of 1025316968 in words is "one billion, twenty-five million, three hundred sixteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 1123 2246 4492 8779 8984 14599 17558 29198 35116 58396 70232 114127 116792 228254 456508 913016 9858817 19717634 39435268 78870536 128164621 256329242 512658484 1025316968