Base | Representation |
---|---|
bin | 110000001010… |
… | …1110001010000 |
3 | 1202112002100002 |
4 | 1200111301100 |
5 | 22431124432 |
6 | 2301145132 |
7 | 424443500 |
oct | 140256120 |
9 | 52462302 |
10 | 25254992 |
11 | 1328a4a4 |
12 | 855b1a8 |
13 | 53032a9 |
14 | 34d5a00 |
15 | 233ce62 |
hex | 1815c50 |
25254992 has 30 divisors (see below), whose sum is σ = 56922138. Its totient is φ = 10823232.
The previous prime is 25254967. The next prime is 25254997. The reversal of 25254992 is 29945252.
It can be written as a sum of positive squares in only one way, i.e., 24840256 + 414736 = 4984^2 + 644^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25254997) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15323 + ... + 16890.
Almost surely, 225254992 is an apocalyptic number.
It is an amenable number.
25254992 is an abundant number, since it is smaller than the sum of its proper divisors (31667146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25254992 is a wasteful number, since it uses less digits than its factorization.
25254992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32235 (or 32222 counting only the distinct ones).
The product of its digits is 64800, while the sum is 38.
The square root of 25254992 is about 5025.4345085773. The cubic root of 25254992 is about 293.3925477335.
The spelling of 25254992 in words is "twenty-five million, two hundred fifty-four thousand, nine hundred ninety-two".
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