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20362625 = 53162901
BaseRepresentation
bin100110110101…
…1010110000001
31102022112021022
41031223112001
520203101000
62004235225
7335036153
oct115532601
942275238
1020362625
1110548818
12699bb15
1342ac4ba
1429c0ad3
151bc3585
hex136b581

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".

Divisors: 1 5 25 125 162901 814505 4072525 20362625