Base | Representation |
---|---|
bin | 100110100110… |
… | …1101000011101 |
3 | 1102002100022220 |
4 | 1031031220131 |
5 | 20140202200 |
6 | 2001455553 |
7 | 334021305 |
oct | 115155035 |
9 | 42070286 |
10 | 20240925 |
11 | 10475341 |
12 | 69415b9 |
13 | 4268ca3 |
14 | 298c605 |
15 | 1b9c4a0 |
hex | 134da1d |
20240925 has 12 divisors (see below), whose sum is σ = 33465120. Its totient is φ = 10795120.
The previous prime is 20240903. The next prime is 20240933. The reversal of 20240925 is 52904202.
It is not a de Polignac number, because 20240925 - 214 = 20224541 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20240895 and 20240904.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134865 + ... + 135014.
It is an arithmetic number, because the mean of its divisors is an integer number (2788760).
Almost surely, 220240925 is an apocalyptic number.
20240925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20240925 is a deficient number, since it is larger than the sum of its proper divisors (13224195).
20240925 is a wasteful number, since it uses less digits than its factorization.
20240925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269892 (or 269887 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 20240925 is about 4498.9915536707. The cubic root of 20240925 is about 272.5273658795.
The spelling of 20240925 in words is "twenty million, two hundred forty thousand, nine hundred twenty-five".
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