Base | Representation |
---|---|
bin | 110000011111… |
… | …1000000011100 |
3 | 1202211200000221 |
4 | 1200333000130 |
5 | 23002031100 |
6 | 2304531124 |
7 | 426046105 |
oct | 140770034 |
9 | 52750027 |
10 | 25423900 |
11 | 13395397 |
12 | 8620aa4 |
13 | 5362138 |
14 | 353b3ac |
15 | 237301a |
hex | 183f01c |
25423900 has 36 divisors (see below), whose sum is σ = 58077880. Its totient is φ = 9633600.
The previous prime is 25423897. The next prime is 25423927. The reversal of 25423900 is 932452.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4791 + ... + 8590.
Almost surely, 225423900 is an apocalyptic number.
25423900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25423900 is an abundant number, since it is smaller than the sum of its proper divisors (32653980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25423900 is a wasteful number, since it uses less digits than its factorization.
25423900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13414 (or 13407 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 25423900 is about 5042.2118162568. The cubic root of 25423900 is about 294.0451748498.
The spelling of 25423900 in words is "twenty-five million, four hundred twenty-three thousand, nine hundred".
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