Base | Representation |
---|---|
bin | 110001010001… |
… | …0001111001110 |
3 | 1210121022120122 |
4 | 1202202033032 |
5 | 23103032400 |
6 | 2321344542 |
7 | 432361100 |
oct | 142421716 |
9 | 53538518 |
10 | 25830350 |
11 | 136427a7 |
12 | 8798152 |
13 | 5475140 |
14 | 3605570 |
15 | 2403685 |
hex | 18a23ce |
25830350 has 72 divisors (see below), whose sum is σ = 60261768. Its totient is φ = 8164800.
The previous prime is 25830349. The next prime is 25830353. The reversal of 25830350 is 5303852.
It is a super-2 number, since 2×258303502 = 1334413962245000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25830353) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31445 + ... + 32255.
It is an arithmetic number, because the mean of its divisors is an integer number (836969).
Almost surely, 225830350 is an apocalyptic number.
25830350 is an abundant number, since it is smaller than the sum of its proper divisors (34431418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25830350 is a wasteful number, since it uses less digits than its factorization.
25830350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 850 (or 838 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 25830350 is about 5082.3567367905. The cubic root of 25830350 is about 295.6038573976.
The spelling of 25830350 in words is "twenty-five million, eight hundred thirty thousand, three hundred fifty".
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