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129277314 = 2328386531
BaseRepresentation
bin1111011010010…
…01110110000010
3100000020222010200
413231021312002
5231043333224
620454510030
73126560535
oct755116602
9300228120
10129277314
1166a78a61
1237365316
1320a2486a
1413252a1c
15b5395c9
hex7b49d82

129277314 has 24 divisors (see below), whose sum is σ = 283478832. Its totient is φ = 42572760.

The previous prime is 129277303. The next prime is 129277339. The reversal of 129277314 is 413772921.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41772 + ... + 44759.

It is an arithmetic number, because the mean of its divisors is an integer number (11811618).

Almost surely, 2129277314 is an apocalyptic number.

129277314 is an abundant number, since it is smaller than the sum of its proper divisors (154201518).

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

129277314 is a wasteful number, since it uses less digits than its factorization.

129277314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86622 (or 86619 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 129277314 is about 11370.0182057902. The cubic root of 129277314 is about 505.6392440739.

It can be divided in two parts, 1292 and 77314, that added together give a triangular number (78606 = T396).

The spelling of 129277314 in words is "one hundred twenty-nine million, two hundred seventy-seven thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 83 166 249 498 747 1494 86531 173062 259593 519186 778779 1557558 7182073 14364146 21546219 43092438 64638657 129277314