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23003012 = 2215736629
BaseRepresentation
bin101011110111…
…1111110000100
31121021200012102
41113233332010
521342044022
62141011232
7366344114
oct127577604
947250172
1023003012
1111a9155a
127853b18
1349c5266
1430ab044
152045a92
hex15eff84

23003012 has 12 divisors (see below), whose sum is σ = 40512780. Its totient is φ = 11427936.

The previous prime is 23002999. The next prime is 23003021. The reversal of 23003012 is 21030032.

It can be written as a sum of positive squares in 2 ways, for example, as 15241216 + 7761796 = 3904^2 + 2786^2 .

It is a super-2 number, since 2×230030122 = 1058277122144288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23002984 and 23003002.

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, 17687 + ... + 18942.

It is an arithmetic number, because the mean of its divisors is an integer number (3376065).

Almost surely, 223003012 is an apocalyptic number.

It is an amenable number.

23003012 is a deficient number, since it is larger than the sum of its proper divisors (17509768).

23003012 is a wasteful number, since it uses less digits than its factorization.

23003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36790 (or 36788 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23003012 is about 4796.1455357401. The cubic root of 23003012 is about 284.3991115409.

Adding to 23003012 its reverse (21030032), we get a palindrome (44033044).

The spelling of 23003012 in words is "twenty-three million, three thousand, twelve".

Divisors: 1 2 4 157 314 628 36629 73258 146516 5750753 11501506 23003012