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129530348 = 221071272383
BaseRepresentation
bin1111011100001…
…11100111101100
3100000201211020022
413232013213230
5231124432343
620504141312
73131663333
oct756074754
9300654208
10129530348
1167131082
1237467838
1320ab2a9c
14132bad1a
15b589568
hex7b879ec

129530348 has 24 divisors (see below), whose sum is σ = 230694912. Its totient is φ = 63627984.

The previous prime is 129530339. The next prime is 129530371. The reversal of 129530348 is 843035921.

It is a super-2 number, since 2×1295303482 = 33556222106002208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53165 + ... + 55547.

It is an arithmetic number, because the mean of its divisors is an integer number (9612288).

Almost surely, 2129530348 is an apocalyptic number.

It is an amenable number.

129530348 is a deficient number, since it is larger than the sum of its proper divisors (101164564).

129530348 is a wasteful number, since it uses less digits than its factorization.

129530348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 129530348 is about 11381.1400131973. The cubic root of 129530348 is about 505.9689243363.

The spelling of 129530348 in words is "one hundred twenty-nine million, five hundred thirty thousand, three hundred forty-eight".

Divisors: 1 2 4 107 127 214 254 428 508 2383 4766 9532 13589 27178 54356 254981 302641 509962 605282 1019924 1210564 32382587 64765174 129530348