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872004672 = 263271119661
BaseRepresentation
bin110011111110011…
…011110001000000
32020202211102112100
4303332123301000
53241213122142
6222310030400
730415626450
oct6376336100
92222742470
10872004672
11408251020
12204048400
1310b873cc6
1483b4dd60
155184bb4c
hex33f9bc40

872004672 has 168 divisors, whose sum is σ = 3116348352. Its totient is φ = 226483200.

The previous prime is 872004649. The next prime is 872004689. The reversal of 872004672 is 276400278.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34522 + ... + 54182.

Almost surely, 2872004672 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 872004672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558174176).

872004672 is an abundant number, since it is smaller than the sum of its proper divisors (2244343680).

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

872004672 is a wasteful number, since it uses less digits than its factorization.

872004672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19697 (or 19684 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 872004672 is about 29529.7252273027. The cubic root of 872004672 is about 955.3729424327.

The spelling of 872004672 in words is "eight hundred seventy-two million, four thousand, six hundred seventy-two".