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23002528 = 252572797
BaseRepresentation
bin101011110111…
…1110110100000
31121021122112111
41113233312200
521342040103
62141005104
7366342523
oct127576640
947248474
1023002528
1111a9115a
127853794
1349c4c83
1430aabba
15204586d
hex15efda0

23002528 has 24 divisors (see below), whose sum is σ = 45478692. Its totient is φ = 11452416.

The previous prime is 23002501. The next prime is 23002531. The reversal of 23002528 is 82520032.

It can be written as a sum of positive squares in 2 ways, for example, as 18558864 + 4443664 = 4308^2 + 2108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23002499 and 23002508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6826 + ... + 9622.

Almost surely, 223002528 is an apocalyptic number.

It is an amenable number.

23002528 is a deficient number, since it is larger than the sum of its proper divisors (22476164).

23002528 is a wasteful number, since it uses less digits than its factorization.

23002528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064 (or 3056 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 23002528 is about 4796.0950782903. The cubic root of 23002528 is about 284.3971168726.

It can be divided in two parts, 23002 and 528, that multiplied together give a triangular number (12145056 = T4928).

The spelling of 23002528 in words is "twenty-three million, two thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 32 257 514 1028 2056 2797 4112 5594 8224 11188 22376 44752 89504 718829 1437658 2875316 5750632 11501264 23002528