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129309483 = 3191225671
BaseRepresentation
bin1111011010100…
…01101100101011
3100000022121021010
413231101230223
5231100400413
620455315003
73130053402
oct755215453
9300277233
10129309483
1166aa0146
123737ba63
1320a363b4
1413260639
15b543dc3
hex7b51b2b

129309483 has 8 divisors (see below), whose sum is σ = 173316096. Its totient is φ = 85754600.

The previous prime is 129309469. The next prime is 129309493. The reversal of 129309483 is 384903921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129309483 - 212 = 129305387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129309493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112263 + ... + 113408.

It is an arithmetic number, because the mean of its divisors is an integer number (21664512).

Almost surely, 2129309483 is an apocalyptic number.

129309483 is a deficient number, since it is larger than the sum of its proper divisors (44006613).

129309483 is a wasteful number, since it uses less digits than its factorization.

129309483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225865.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 129309483 is about 11371.4327593316. The cubic root of 129309483 is about 505.6811812071.

The spelling of 129309483 in words is "one hundred twenty-nine million, three hundred nine thousand, four hundred eighty-three".

Divisors: 1 3 191 573 225671 677013 43103161 129309483