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969642056 = 231731349659
BaseRepresentation
bin111001110010111…
…001000001001000
32111120112220211202
4321302321001020
53441212021211
6240114443332
733012551525
oct7162710110
92446486752
10969642056
11458379479
12230893548
13125b6b2c6
1492ac814c
155a1d653b
hex39cb9048

969642056 has 64 divisors (see below), whose sum is σ = 1995840000. Its totient is φ = 439649280.

The previous prime is 969642053. The next prime is 969642083. The reversal of 969642056 is 650246969.

Together with 1026197944 it forms an amicable pair .

It is a self number, because there is not a number n which added to its sum of digits gives 969642056.

It is not an unprimeable number, because it can be changed into a prime (969642053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1471055 + ... + 1471713.

It is an arithmetic number, because the mean of its divisors is an integer number (31185000).

Almost surely, 2969642056 is an apocalyptic number.

It is an amenable number.

969642056 is an abundant number, since it is smaller than the sum of its proper divisors (1026197944).

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

969642056 is a wasteful number, since it uses less digits than its factorization.

969642056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 969642056 is about 31139.0760299660. The cubic root of 969642056 is about 989.7765220155.

The spelling of 969642056 in words is "nine hundred sixty-nine million, six hundred forty-two thousand, fifty-six".

Divisors: 1 2 4 8 17 31 34 62 68 124 136 248 349 527 659 698 1054 1318 1396 2108 2636 2792 4216 5272 5933 10819 11203 11866 20429 21638 22406 23732 40858 43276 44812 47464 81716 86552 89624 163432 183923 229991 347293 367846 459982 694586 735692 919964 1389172 1471384 1839928 2778344 3909847 7129721 7819694 14259442 15639388 28518884 31278776 57037768 121205257 242410514 484821028 969642056