Base | Representation |
---|---|
bin | 110000000101… |
… | …0010001111010 |
3 | 1202102200210001 |
4 | 1200022101322 |
5 | 22423123210 |
6 | 2300143214 |
7 | 424156336 |
oct | 140122172 |
9 | 52380701 |
10 | 25207930 |
11 | 13258100 |
12 | 8537b0a |
13 | 52b7a47 |
14 | 34c27c6 |
15 | 232e03a |
hex | 180a47a |
25207930 has 48 divisors (see below), whose sum is σ = 50676192. Its totient is φ = 9020000.
The previous prime is 25207891. The next prime is 25207943. The reversal of 25207930 is 3970252.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100305 + ... + 100555.
It is an arithmetic number, because the mean of its divisors is an integer number (1055754).
Almost surely, 225207930 is an apocalyptic number.
25207930 is an abundant number, since it is smaller than the sum of its proper divisors (25468262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25207930 is a wasteful number, since it uses less digits than its factorization.
25207930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363 (or 352 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 28.
The square root of 25207930 is about 5020.7499439825. The cubic root of 25207930 is about 293.2101913675.
The spelling of 25207930 in words is "twenty-five million, two hundred seven thousand, nine hundred thirty".
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