Base | Representation |
---|---|
bin | 100110110100… |
… | …0111110011101 |
3 | 1102022000222001 |
4 | 1031220332131 |
5 | 20202243200 |
6 | 2004122301 |
7 | 334665655 |
oct | 115507635 |
9 | 42260861 |
10 | 20352925 |
11 | 105414aa |
12 | 6996391 |
13 | 42a7c68 |
14 | 29bb365 |
15 | 1bc076a |
hex | 1368f9d |
20352925 has 24 divisors (see below), whose sum is σ = 26560800. Its totient is φ = 15449280.
The previous prime is 20352919. The next prime is 20352947. The reversal of 20352925 is 52925302.
It is not a de Polignac number, because 20352925 - 29 = 20352413 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20352893 and 20352902.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48366 + ... + 48784.
It is an arithmetic number, because the mean of its divisors is an integer number (1106700).
Almost surely, 220352925 is an apocalyptic number.
20352925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20352925 is a deficient number, since it is larger than the sum of its proper divisors (6207875).
20352925 is a wasteful number, since it uses less digits than its factorization.
20352925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 525 (or 520 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 20352925 is about 4511.4216162979. The cubic root of 20352925 is about 273.0291041350.
The spelling of 20352925 in words is "twenty million, three hundred fifty-two thousand, nine hundred twenty-five".
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