Base | Representation |
---|---|
bin | 110001001100… |
… | …0101000110110 |
3 | 1210112022122100 |
4 | 1202120220312 |
5 | 23100303110 |
6 | 2320442530 |
7 | 432135336 |
oct | 142305066 |
9 | 53468570 |
10 | 25791030 |
11 | 13616201 |
12 | 8779446 |
13 | 5460285 |
14 | 35d50c6 |
15 | 23e6bc0 |
hex | 1898a36 |
25791030 has 48 divisors (see below), whose sum is σ = 67307760. Its totient is φ = 6851904.
The previous prime is 25790987. The next prime is 25791061. The reversal of 25791030 is 3019752.
It is a junction number, because it is equal to n+sod(n) for n = 25790985 and 25791003.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45529 + ... + 46091.
It is an arithmetic number, because the mean of its divisors is an integer number (1402245).
Almost surely, 225791030 is an apocalyptic number.
25791030 is an abundant number, since it is smaller than the sum of its proper divisors (41516730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25791030 is a wasteful number, since it uses less digits than its factorization.
25791030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1085 (or 1082 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
The square root of 25791030 is about 5078.4869794064. The cubic root of 25791030 is about 295.4537878553.
The spelling of 25791030 in words is "twenty-five million, seven hundred ninety-one thousand, thirty".
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