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129454014 = 23172275591
BaseRepresentation
bin1111011011101…
…00111110111110
3100000120221112010
413231310332332
5231120012024
620502352050
73131224644
oct755647676
9300527463
10129454014
1167089798
123742b626
1320a87111
141329b194
15b571b29
hex7b74fbe

129454014 has 32 divisors (see below), whose sum is σ = 275394816. Its totient is φ = 40426880.

The previous prime is 129454007. The next prime is 129454033. The reversal of 129454014 is 410454921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20359 + ... + 25949.

It is an arithmetic number, because the mean of its divisors is an integer number (8606088).

Almost surely, 2129454014 is an apocalyptic number.

129454014 is an abundant number, since it is smaller than the sum of its proper divisors (145940802).

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

129454014 is a wasteful number, since it uses less digits than its factorization.

129454014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 129454014 is about 11377.7859884953. The cubic root of 129454014 is about 505.8695133439.

The spelling of 129454014 in words is "one hundred twenty-nine million, four hundred fifty-four thousand, fourteen".

Divisors: 1 2 3 6 17 34 51 102 227 454 681 1362 3859 5591 7718 11182 11577 16773 23154 33546 95047 190094 285141 570282 1269157 2538314 3807471 7614942 21575669 43151338 64727007 129454014