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2872857792 = 263731531301
BaseRepresentation
bin1010101100111100…
…0101010011000000
321102012210022000110
42223033011103000
521340422422132
61153023151320
7131122613460
oct25317052300
97365708013
102872857792
111244720642
12682145540
1336a25976c
141d378bba0
1511c32c1cc
hexab3c54c0

2872857792 has 224 divisors, whose sum is σ = 9143414784. Its totient is φ = 778752000.

The previous prime is 2872857731. The next prime is 2872857797. The reversal of 2872857792 is 2977582782.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (2872857797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2207542 + ... + 2208842.

It is an arithmetic number, because the mean of its divisors is an integer number (40818816).

Almost surely, 22872857792 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 2872857792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4571707392).

2872857792 is an abundant number, since it is smaller than the sum of its proper divisors (6270556992).

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

2872857792 is a wasteful number, since it uses less digits than its factorization.

2872857792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1397 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 57.

The square root of 2872857792 is about 53599.0465586842. The cubic root of 2872857792 is about 1421.5802337900.

The spelling of 2872857792 in words is "two billion, eight hundred seventy-two million, eight hundred fifty-seven thousand, seven hundred ninety-two".