Base | Representation |
---|---|
bin | 110000100110… |
… | …0110110001110 |
3 | 1202221112210120 |
4 | 1201030312032 |
5 | 23010334330 |
6 | 2310045410 |
7 | 426403302 |
oct | 141146616 |
9 | 52845716 |
10 | 25480590 |
11 | 13423a43 |
12 | 8649866 |
13 | 5381b95 |
14 | 3553d02 |
15 | 2384c10 |
hex | 184cd8e |
25480590 has 16 divisors (see below), whose sum is σ = 61153488. Its totient is φ = 6794816.
The previous prime is 25480579. The next prime is 25480591. The reversal of 25480590 is 9508452.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25480591) 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, 424647 + ... + 424706.
It is an arithmetic number, because the mean of its divisors is an integer number (3822093).
Almost surely, 225480590 is an apocalyptic number.
25480590 is an abundant number, since it is smaller than the sum of its proper divisors (35672898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25480590 is a wasteful number, since it uses less digits than its factorization.
25480590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 849363.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 25480590 is about 5047.8302269391. The cubic root of 25480590 is about 294.2635657669.
The spelling of 25480590 in words is "twenty-five million, four hundred eighty thousand, five hundred ninety".
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