Base | Representation |
---|---|
bin | 101111110010… |
… | …1100100110110 |
3 | 1202011001112220 |
4 | 1133211210312 |
5 | 22403320330 |
6 | 2253023210 |
7 | 422662125 |
oct | 137454466 |
9 | 52131486 |
10 | 25057590 |
11 | 13165158 |
12 | 8484b06 |
13 | 526449c |
14 | 3483abc |
15 | 22ee710 |
hex | 17e5936 |
25057590 has 16 divisors (see below), whose sum is σ = 60138288. Its totient is φ = 6682016.
The previous prime is 25057583. The next prime is 25057597. The reversal of 25057590 is 9575052.
It is an interprime number because it is at equal distance from previous prime (25057583) and next prime (25057597).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25057597) 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, 417597 + ... + 417656.
It is an arithmetic number, because the mean of its divisors is an integer number (3758643).
Almost surely, 225057590 is an apocalyptic number.
25057590 is an abundant number, since it is smaller than the sum of its proper divisors (35080698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25057590 is a wasteful number, since it uses less digits than its factorization.
25057590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 835263.
The product of its (nonzero) digits is 15750, while the sum is 33.
The square root of 25057590 is about 5005.7556872065. The cubic root of 25057590 is about 292.6261272113.
The spelling of 25057590 in words is "twenty-five million, fifty-seven thousand, five hundred ninety".
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