Base | Representation |
---|---|
bin | 100111100110… |
… | …1000000000001 |
3 | 1110001211222010 |
4 | 1033031000001 |
5 | 20303401000 |
6 | 2021003133 |
7 | 341323302 |
oct | 117150001 |
9 | 43054863 |
10 | 20762625 |
11 | 107a12a4 |
12 | 6b534a9 |
13 | 43bc5a0 |
14 | 2a867a9 |
15 | 1c51d50 |
hex | 13cd001 |
20762625 has 32 divisors (see below), whose sum is σ = 37215360. Its totient is φ = 10219200.
The previous prime is 20762617. The next prime is 20762633. The reversal of 20762625 is 52626702.
It is an interprime number because it is at equal distance from previous prime (20762617) and next prime (20762633).
It is not a de Polignac number, because 20762625 - 23 = 20762617 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20762592 and 20762601.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2746 + ... + 7004.
It is an arithmetic number, because the mean of its divisors is an integer number (1162980).
Almost surely, 220762625 is an apocalyptic number.
20762625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20762625 is a deficient number, since it is larger than the sum of its proper divisors (16452735).
20762625 is a wasteful number, since it uses less digits than its factorization.
20762625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4290 (or 4280 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 20762625 is about 4556.6023526307. The cubic root of 20762625 is about 274.8489528634.
The spelling of 20762625 in words is "twenty million, seven hundred sixty-two thousand, six hundred twenty-five".
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