Base | Representation |
---|---|
bin | 100110110101… |
… | …1010110000001 |
3 | 1102022112021022 |
4 | 1031223112001 |
5 | 20203101000 |
6 | 2004235225 |
7 | 335036153 |
oct | 115532601 |
9 | 42275238 |
10 | 20362625 |
11 | 10548818 |
12 | 699bb15 |
13 | 42ac4ba |
14 | 29c0ad3 |
15 | 1bc3585 |
hex | 136b581 |
20362625 has 8 divisors (see below), whose sum is σ = 25412712. Its totient is φ = 16290000.
The previous prime is 20362603. The next prime is 20362627. The reversal of 20362625 is 52626302.
It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 18079504 = 1511^2 + 4252^2 .
It is not a de Polignac number, because 20362625 - 28 = 20362369 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20362594 and 20362603.
It is not an unprimeable number, because it can be changed into a prime (20362627) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81326 + ... + 81575.
It is an arithmetic number, because the mean of its divisors is an integer number (3176589).
Almost surely, 220362625 is an apocalyptic number.
20362625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20362625 is a deficient number, since it is larger than the sum of its proper divisors (5050087).
20362625 is an equidigital number, since it uses as much as digits as its factorization.
20362625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162916 (or 162906 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 20362625 is about 4512.4965373948. The cubic root of 20362625 is about 273.0724715575.
Adding to 20362625 its reverse (52626302), we get a palindrome (72988927).
The spelling of 20362625 in words is "twenty million, three hundred sixty-two thousand, six hundred twenty-five".
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