Base | Representation |
---|---|
bin | 100101010000100… |
… | …001111000011011 |
3 | 1121120012212101021 |
4 | 211100201320123 |
5 | 2240010340300 |
6 | 142005503311 |
7 | 21330115021 |
oct | 4520417033 |
9 | 1546185337 |
10 | 625090075 |
11 | 2a0935475 |
12 | 155411b37 |
13 | 9c671aac |
14 | 5d038711 |
15 | 39d26d1a |
hex | 25421e1b |
625090075 has 12 divisors (see below), whose sum is σ = 776923488. Its totient is φ = 498903200.
The previous prime is 625090057. The next prime is 625090091. The reversal of 625090075 is 570090526.
It is not a de Polignac number, because 625090075 - 27 = 625089947 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 625090075.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18232 + ... + 39781.
It is an arithmetic number, because the mean of its divisors is an integer number (64743624).
Almost surely, 2625090075 is an apocalyptic number.
625090075 is a deficient number, since it is larger than the sum of its proper divisors (151833413).
625090075 is a wasteful number, since it uses less digits than its factorization.
625090075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58454 (or 58449 counting only the distinct ones).
The product of its (nonzero) digits is 18900, while the sum is 34.
The square root of 625090075 is about 25001.8014350966. The cubic root of 625090075 is about 855.0290449876.
It can be divided in two parts, 6 and 25090075, that added together give a square (25090081 = 50092).
The spelling of 625090075 in words is "six hundred twenty-five million, ninety thousand, seventy-five".
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