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129607316 = 22281115309
BaseRepresentation
bin1111011100110…
…10011010010100
3100000212201210222
413232122122110
5231134413231
620505533512
73132433616
oct756323224
9300781728
10129607316
1167183993
12374a4298
1320b0bb27
14132dadb6
15b5a227b
hex7b9a694

129607316 has 12 divisors (see below), whose sum is σ = 227621940. Its totient is φ = 64572480.

The previous prime is 129607301. The next prime is 129607319. The reversal of 129607316 is 613706921.

It can be written as a sum of positive squares in 2 ways, for example, as 48246916 + 81360400 = 6946^2 + 9020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129607319) 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, 56531 + ... + 58778.

It is an arithmetic number, because the mean of its divisors is an integer number (18968495).

Almost surely, 2129607316 is an apocalyptic number.

It is an amenable number.

129607316 is a deficient number, since it is larger than the sum of its proper divisors (98014624).

129607316 is a wasteful number, since it uses less digits than its factorization.

129607316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115594 (or 115592 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 129607316 is about 11384.5208946183. The cubic root of 129607316 is about 506.0691214608.

The spelling of 129607316 in words is "one hundred twenty-nine million, six hundred seven thousand, three hundred sixteen".

Divisors: 1 2 4 281 562 1124 115309 230618 461236 32401829 64803658 129607316