Base | Representation |
---|---|
bin | 110001010001… |
… | …0010100101100 |
3 | 1210121100001121 |
4 | 1202202110230 |
5 | 23103040300 |
6 | 2321350324 |
7 | 432362110 |
oct | 142422454 |
9 | 53540047 |
10 | 25830700 |
11 | 13642a95 |
12 | 87983a4 |
13 | 547534c |
14 | 3605740 |
15 | 240381a |
hex | 18a252c |
25830700 has 36 divisors (see below), whose sum is σ = 64061872. Its totient is φ = 8856000.
The previous prime is 25830689. The next prime is 25830703. The reversal of 25830700 is 703852.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (25830703) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17751 + ... + 19150.
Almost surely, 225830700 is an apocalyptic number.
25830700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25830700 is an abundant number, since it is smaller than the sum of its proper divisors (38231172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25830700 is a wasteful number, since it uses less digits than its factorization.
25830700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36922 (or 36915 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 25830700 is about 5082.3911695185. The cubic root of 25830700 is about 295.6051925309.
The spelling of 25830700 in words is "twenty-five million, eight hundred thirty thousand, seven hundred".
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