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12429160 = 235310729
BaseRepresentation
bin101111011010…
…011101101000
3212101110121021
4233122131220
511140213120
61122222224
7210434422
oct57323550
925343537
1012429160
11701a237
1241b4974
132762443
141917812
151157aaa
hexbda768

12429160 has 16 divisors (see below), whose sum is σ = 27965700. Its totient is φ = 4971648.

The previous prime is 12429143. The next prime is 12429163. The reversal of 12429160 is 6192421.

It can be written as a sum of positive squares in 2 ways, for example, as 11792356 + 636804 = 3434^2 + 798^2 .

It is a plaindrome in base 6 and base 15.

It is not an unprimeable number, because it can be changed into a prime (12429163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155325 + ... + 155404.

Almost surely, 212429160 is an apocalyptic number.

12429160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12429160 is an abundant number, since it is smaller than the sum of its proper divisors (15536540).

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

12429160 is a wasteful number, since it uses less digits than its factorization.

12429160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310740 (or 310736 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12429160 is about 3525.5013827823. The cubic root of 12429160 is about 231.6401973335.

The spelling of 12429160 in words is "twelve million, four hundred twenty-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 310729 621458 1242916 1553645 2485832 3107290 6214580 12429160