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12315104 = 25384847
BaseRepresentation
bin101110111110…
…100111100000
3212011200010222
4232332213200
511123040404
61115542212
7206451044
oct56764740
925150128
1012315104
116a5157a
12415a968
132722559
1418c8024
151133dbe
hexbbe9e0

12315104 has 12 divisors (see below), whose sum is σ = 24245424. Its totient is φ = 6157536.

The previous prime is 12315103. The next prime is 12315109. The reversal of 12315104 is 40151321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192392 + ... + 192455.

It is an arithmetic number, because the mean of its divisors is an integer number (2020452).

Almost surely, 212315104 is an apocalyptic number.

It is an amenable number.

12315104 is a deficient number, since it is larger than the sum of its proper divisors (11930320).

12315104 is an equidigital number, since it uses as much as digits as its factorization.

12315104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384857 (or 384849 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12315104 is about 3509.2882469242. The cubic root of 12315104 is about 230.9294712940.

Adding to 12315104 its reverse (40151321), we get a palindrome (52466425).

The spelling of 12315104 in words is "twelve million, three hundred fifteen thousand, one hundred four".

Divisors: 1 2 4 8 16 32 384847 769694 1539388 3078776 6157552 12315104