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964731968 = 26411093373
BaseRepresentation
bin111001100000001…
…010010001000000
32111020022110110122
4321200022101000
53433432410333
6235421315412
732623041434
oct7140122100
92436273418
10964731968
11455625452
1222b105b68
13124b3c425
14921aa9c4
1559a66798
hex3980a440

964731968 has 56 divisors (see below), whose sum is σ = 1979660760. Its totient is φ = 466145280.

The previous prime is 964731959. The next prime is 964731983. The reversal of 964731968 is 869137469.

It can be written as a sum of positive squares in 4 ways, for example, as 266081344 + 698650624 = 16312^2 + 26432^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284330 + ... + 287702.

It is an arithmetic number, because the mean of its divisors is an integer number (35351085).

Almost surely, 2964731968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 964731968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989830380).

964731968 is an abundant number, since it is smaller than the sum of its proper divisors (1014928792).

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

964731968 is a wasteful number, since it uses less digits than its factorization.

964731968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535 (or 3525 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 964731968 is about 31060.1347067266. The cubic root of 964731968 is about 988.1030123104.

The spelling of 964731968 in words is "nine hundred sixty-four million, seven hundred thirty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 109 164 218 328 436 656 872 1312 1744 2624 3373 3488 4469 6746 6976 8938 13492 17876 26984 35752 53968 71504 107936 138293 143008 215872 276586 286016 367657 553172 735314 1106344 1470628 2212688 2941256 4425376 5882512 8850752 11765024 15073937 23530048 30147874 60295748 120591496 241182992 482365984 964731968