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23002225 = 527112959
BaseRepresentation
bin101011110111…
…1110001110001
31121021122010021
41113233301301
521342032400
62141003441
7366341611
oct127576161
947248107
1023002225
1111a90a04
127853581
1349c4aac
1430aaa41
15204571a
hex15efc71

23002225 has 12 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 18141200.

The previous prime is 23002201. The next prime is 23002237. The reversal of 23002225 is 52220032.

It is not a de Polignac number, because 23002225 - 27 = 23002097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23002199 and 23002208.

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, 4705 + ... + 8254.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 223002225 is an apocalyptic number.

23002225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23002225 is a deficient number, since it is larger than the sum of its proper divisors (5924495).

23002225 is a wasteful number, since it uses less digits than its factorization.

23002225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040 (or 13035 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 23002225 is about 4796.0634899884. The cubic root of 23002225 is about 284.3958681301.

Adding to 23002225 its reverse (52220032), we get a palindrome (75222257).

The spelling of 23002225 in words is "twenty-three million, two thousand, two hundred twenty-five".

Divisors: 1 5 25 71 355 1775 12959 64795 323975 920089 4600445 23002225