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872999328 = 25381111213
BaseRepresentation
bin110100000010001…
…110100110100000
32020211200221221110
4310002032212200
53241441434303
6222343223320
730430241355
oct6402164640
92224627843
10872999328
11408870353
12204447b40
1310bb31966
1483d2c62c
1551996703
hex3408e9a0

872999328 has 48 divisors (see below), whose sum is σ = 2294653536. Its totient is φ = 290615040.

The previous prime is 872999311. The next prime is 872999353. The reversal of 872999328 is 823999278.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72250 + ... + 83462.

It is an arithmetic number, because the mean of its divisors is an integer number (47805282).

Almost surely, 2872999328 is an apocalyptic number.

It is an amenable number.

872999328 is an abundant number, since it is smaller than the sum of its proper divisors (1421654208).

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

872999328 is a wasteful number, since it uses less digits than its factorization.

872999328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12037 (or 12029 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 872999328 is about 29546.5620335091. The cubic root of 872999328 is about 955.7360545351.

Subtracting from 872999328 its reverse (823999278), we obtain a triangular number (49000050 = T9899).

The spelling of 872999328 in words is "eight hundred seventy-two million, nine hundred ninety-nine thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 811 1622 2433 3244 4866 6488 9732 11213 12976 19464 22426 25952 33639 38928 44852 67278 77856 89704 134556 179408 269112 358816 538224 1076448 9093743 18187486 27281229 36374972 54562458 72749944 109124916 145499888 218249832 290999776 436499664 872999328