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12298132 = 2271139929
BaseRepresentation
bin101110111010…
…011110010100
3212010210212101
4232322132110
511122020012
61115331444
7206350420
oct56723624
925123771
1012298132
116a3a850
124150b84
132717902
1418c1b80
15112dd57
hexbba794

12298132 has 24 divisors (see below), whose sum is σ = 26832960. Its totient is φ = 4791360.

The previous prime is 12298127. The next prime is 12298133. The reversal of 12298132 is 23189221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12298132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12298133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19657 + ... + 20272.

It is an arithmetic number, because the mean of its divisors is an integer number (1118040).

Almost surely, 212298132 is an apocalyptic number.

It is an amenable number.

12298132 is an abundant number, since it is smaller than the sum of its proper divisors (14534828).

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

12298132 is a wasteful number, since it uses less digits than its factorization.

12298132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39951 (or 39949 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 12298132 is about 3506.8692590400. The cubic root of 12298132 is about 230.8233377516.

The spelling of 12298132 in words is "twelve million, two hundred ninety-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 39929 79858 159716 279503 439219 559006 878438 1118012 1756876 3074533 6149066 12298132