Base | Representation |
---|---|
bin | 100111010100… |
… | …0010101101100 |
3 | 1102210012222110 |
4 | 1032220111230 |
5 | 20234044320 |
6 | 2013444020 |
7 | 340126431 |
oct | 116502554 |
9 | 42705873 |
10 | 20612460 |
11 | 106a94a0 |
12 | 6aa0610 |
13 | 436912b |
14 | 2a47b88 |
15 | 1c225e0 |
hex | 13a856c |
20612460 has 48 divisors (see below), whose sum is σ = 62963712. Its totient is φ = 4996800.
The previous prime is 20612453. The next prime is 20612467. The reversal of 20612460 is 6421602.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20612453) and next prime (20612467).
It is not an unprimeable number, because it can be changed into a prime (20612467) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14956 + ... + 16275.
It is an arithmetic number, because the mean of its divisors is an integer number (1311744).
Almost surely, 220612460 is an apocalyptic number.
20612460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20612460 is an abundant number, since it is smaller than the sum of its proper divisors (42351252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20612460 is a wasteful number, since it uses less digits than its factorization.
20612460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31254 (or 31252 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 20612460 is about 4540.0947126684. The cubic root of 20612460 is about 274.1847369807.
The spelling of 20612460 in words is "twenty million, six hundred twelve thousand, four hundred sixty".
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