Base | Representation |
---|---|
bin | 110000010101… |
… | …1000000100100 |
3 | 1202200111200011 |
4 | 1200223000210 |
5 | 22441420423 |
6 | 2303100004 |
7 | 425255230 |
oct | 140530044 |
9 | 52614604 |
10 | 25341988 |
11 | 133398a1 |
12 | 85a1604 |
13 | 5333a79 |
14 | 35195c0 |
15 | 2358b0d |
hex | 182b024 |
25341988 has 12 divisors (see below), whose sum is σ = 50684032. Its totient is φ = 10860840.
The previous prime is 25341971. The next prime is 25341989. The reversal of 25341988 is 88914352.
25341988 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 25341988.
It is not an unprimeable number, because it can be changed into a prime (25341989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452508 + ... + 452563.
Almost surely, 225341988 is an apocalyptic number.
25341988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25341988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25341988 is a wasteful number, since it uses less digits than its factorization.
25341988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 905082 (or 905080 counting only the distinct ones).
The product of its digits is 69120, while the sum is 40.
The square root of 25341988 is about 5034.0826373829. The cubic root of 25341988 is about 293.7290452534.
The spelling of 25341988 in words is "twenty-five million, three hundred forty-one thousand, nine hundred eighty-eight".
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