Base | Representation |
---|---|
bin | 110100000010001… |
… | …100000001111011 |
3 | 2020211200102111100 |
4 | 310002030001323 |
5 | 3241441120140 |
6 | 222343102443 |
7 | 30430165560 |
oct | 6402140173 |
9 | 2224612440 |
10 | 872988795 |
11 | 408863448 |
12 | 204441a23 |
13 | 10bb29c23 |
14 | 83d28867 |
15 | 51993530 |
hex | 3408c07b |
872988795 has 48 divisors (see below), whose sum is σ = 1769594112. Its totient is φ = 389793600.
The previous prime is 872988791. The next prime is 872988803. The reversal of 872988795 is 597889278.
It is not a de Polignac number, because 872988795 - 22 = 872988791 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
Its product of digits (20321280) is a multiple of the sum of its prime factors (64512).
It is not an unprimeable number, because it can be changed into a prime (872988791) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18681 + ... + 45770.
It is an arithmetic number, because the mean of its divisors is an integer number (36866544).
Almost surely, 2872988795 is an apocalyptic number.
872988795 is an abundant number, since it is smaller than the sum of its proper divisors (896605317).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
872988795 is a wasteful number, since it uses less digits than its factorization.
872988795 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64512 (or 64509 counting only the distinct ones).
The product of its digits is 20321280, while the sum is 63.
The square root of 872988795 is about 29546.3837888835. The cubic root of 872988795 is about 955.7322107718.
The spelling of 872988795 in words is "eight hundred seventy-two million, nine hundred eighty-eight thousand, seven hundred ninety-five".
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