Base | Representation |
---|---|
bin | 100111111110… |
… | …0000010111101 |
3 | 1110102122022011 |
4 | 1033330002331 |
5 | 20331032300 |
6 | 2025051221 |
7 | 343055146 |
oct | 117740275 |
9 | 43378264 |
10 | 20955325 |
11 | 10913056 |
12 | 7026b11 |
13 | 4459201 |
14 | 2ad6acd |
15 | 1c8deba |
hex | 13fc0bd |
20955325 has 12 divisors (see below), whose sum is σ = 26426880. Its totient is φ = 16478960.
The previous prime is 20955293. The next prime is 20955331. The reversal of 20955325 is 52355902.
It is not a de Polignac number, because 20955325 - 25 = 20955293 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5629 + ... + 8578.
It is an arithmetic number, because the mean of its divisors is an integer number (2202240).
Almost surely, 220955325 is an apocalyptic number.
20955325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20955325 is a deficient number, since it is larger than the sum of its proper divisors (5471555).
20955325 is a wasteful number, since it uses less digits than its factorization.
20955325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14276 (or 14271 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 31.
The square root of 20955325 is about 4577.6986576226. The cubic root of 20955325 is about 275.6966359803.
The spelling of 20955325 in words is "twenty million, nine hundred fifty-five thousand, three hundred twenty-five".
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