Base | Representation |
---|---|
bin | 110100000000100… |
… | …010001001001010 |
3 | 2020210212101112220 |
4 | 310000202021022 |
5 | 3241333230312 |
6 | 222325514510 |
7 | 30423411240 |
oct | 6400421112 |
9 | 2223771486 |
10 | 872555082 |
11 | 408597603 |
12 | 204272a36 |
13 | 10ba076a9 |
14 | 83c54790 |
15 | 51909c8c |
hex | 3402224a |
872555082 has 16 divisors (see below), whose sum is σ = 1994411712. Its totient is φ = 249301440.
The previous prime is 872555077. The next prime is 872555087. The reversal of 872555082 is 280555278.
It is an interprime number because it is at equal distance from previous prime (872555077) and next prime (872555087).
It is a super-2 number, since 2×8725550822 = 1522704742248053448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 20775121 = 872555082 / (8 + 7 + 2 + 5 + 5 + 5 + 0 + 8 + 2).
It is not an unprimeable number, because it can be changed into a prime (872555087) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10387519 + ... + 10387602.
It is an arithmetic number, because the mean of its divisors is an integer number (124650732).
Almost surely, 2872555082 is an apocalyptic number.
872555082 is an abundant number, since it is smaller than the sum of its proper divisors (1121856630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
872555082 is a wasteful number, since it uses less digits than its factorization.
872555082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20775133.
The product of its (nonzero) digits is 224000, while the sum is 42.
The square root of 872555082 is about 29539.0433494384. The cubic root of 872555082 is about 955.5739108597.
The spelling of 872555082 in words is "eight hundred seventy-two million, five hundred fifty-five thousand, eighty-two".
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