Base | Representation |
---|---|
bin | 110000001010… |
… | …1110000011100 |
3 | 1202112002021011 |
4 | 1200111300130 |
5 | 22431124230 |
6 | 2301145004 |
7 | 424443364 |
oct | 140256034 |
9 | 52462234 |
10 | 25254940 |
11 | 1328a457 |
12 | 855b164 |
13 | 5303269 |
14 | 34d59a4 |
15 | 233ce2a |
hex | 1815c1c |
25254940 has 24 divisors (see below), whose sum is σ = 54865440. Its totient is φ = 9753408.
The previous prime is 25254923. The next prime is 25254941. The reversal of 25254940 is 4945252.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25254941) 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, 21192 + ... + 22351.
It is an arithmetic number, because the mean of its divisors is an integer number (2286060).
Almost surely, 225254940 is an apocalyptic number.
25254940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25254940 is an abundant number, since it is smaller than the sum of its proper divisors (29610500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25254940 is a wasteful number, since it uses less digits than its factorization.
25254940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43581 (or 43579 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 25254940 is about 5025.4293348927. The cubic root of 25254940 is about 293.3923463684.
The spelling of 25254940 in words is "twenty-five million, two hundred fifty-four thousand, nine hundred forty".
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