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872813760 = 263571397103
BaseRepresentation
bin110100000001100…
…001010011000000
32020211100112101120
4310001201103000
53241420020020
6222335232240
730425536350
oct6401412300
92224315346
10872813760
11408753995
12204378680
1310ba98360
1483cc0b60
155195b740
hex340614c0

872813760 has 448 divisors, whose sum is σ = 3479304192. Its totient is φ = 180486144.

The previous prime is 872813737. The next prime is 872813791. The reversal of 872813760 is 67318278.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8473869 + ... + 8473971.

It is an arithmetic number, because the mean of its divisors is an integer number (7766304).

Almost surely, 2872813760 is an apocalyptic number.

872813760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872813760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739652096).

872813760 is an abundant number, since it is smaller than the sum of its proper divisors (2606490432).

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

872813760 is a wasteful number, since it uses less digits than its factorization.

872813760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 872813760 is about 29543.4216027866. The cubic root of 872813760 is about 955.6683314605.

The spelling of 872813760 in words is "eight hundred seventy-two million, eight hundred thirteen thousand, seven hundred sixty".