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12311104 = 261314797
BaseRepresentation
bin101110111101…
…101001000000
3212011110122211
4232331221000
511122423404
61115511504
7206433301
oct56755100
925143584
1012311104
116a49573
124158594
1327207a0
1418c67a8
151132b04
hexbbda40

12311104 has 28 divisors (see below), whose sum is σ = 26310844. Its totient is φ = 5681664.

The previous prime is 12311093. The next prime is 12311113. The reversal of 12311104 is 40111321.

12311104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 9241600 = 1752^2 + 3040^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 6567 + ... + 8230.

It is an arithmetic number, because the mean of its divisors is an integer number (939673).

Almost surely, 212311104 is an apocalyptic number.

It is an amenable number.

12311104 is an abundant number, since it is smaller than the sum of its proper divisors (13999740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311104 is a wasteful number, since it uses less digits than its factorization.

12311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14822 (or 14812 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12311104 is about 3508.7182845022. The cubic root of 12311104 is about 230.9044662836.

Adding to 12311104 its reverse (40111321), we get a palindrome (52422425).

The spelling of 12311104 in words is "twelve million, three hundred eleven thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 14797 29594 59188 118376 192361 236752 384722 473504 769444 947008 1538888 3077776 6155552 12311104