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129260468 = 22103313739
BaseRepresentation
bin1111011010001…
…01101110110100
3100000020010000202
413231011232310
5231042313333
620454300032
73126460451
oct755055664
9300203022
10129260468
1166a67337
1237357618
1320a19cac
141324a828
15b5345e8
hex7b45bb4

129260468 has 12 divisors (see below), whose sum is σ = 228402720. Its totient is φ = 64002552.

The previous prime is 129260447. The next prime is 129260479. The reversal of 129260468 is 864062921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156458 + ... + 157281.

It is an arithmetic number, because the mean of its divisors is an integer number (19033560).

Almost surely, 2129260468 is an apocalyptic number.

It is an amenable number.

129260468 is a deficient number, since it is larger than the sum of its proper divisors (99142252).

129260468 is a wasteful number, since it uses less digits than its factorization.

129260468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313846 (or 313844 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 129260468 is about 11369.2773736944. The cubic root of 129260468 is about 505.6172800018.

The spelling of 129260468 in words is "one hundred twenty-nine million, two hundred sixty thousand, four hundred sixty-eight".

Divisors: 1 2 4 103 206 412 313739 627478 1254956 32315117 64630234 129260468