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129034597 = 527924443
BaseRepresentation
bin1111011000011…
…10100101100101
322222210122012011
413230032211211
5231013101342
620445354221
73124530106
oct754164545
9288718164
10129034597
116692266a
1237268971
132096b243
14131cc3ad
15b4dc717
hex7b0e965

129034597 has 4 divisors (see below), whose sum is σ = 129064320. Its totient is φ = 129004876.

The previous prime is 129034583. The next prime is 129034621. The reversal of 129034597 is 795430921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 795430921 = 3721498133.

It is a cyclic number.

It is not a de Polignac number, because 129034597 - 211 = 129032549 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129034537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6943 + ... + 17500.

It is an arithmetic number, because the mean of its divisors is an integer number (32266080).

Almost surely, 2129034597 is an apocalyptic number.

It is an amenable number.

129034597 is a deficient number, since it is larger than the sum of its proper divisors (29723).

129034597 is an equidigital number, since it uses as much as digits as its factorization.

129034597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29722.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 129034597 is about 11359.3396374965. The cubic root of 129034597 is about 505.3226014414.

The spelling of 129034597 in words is "one hundred twenty-nine million, thirty-four thousand, five hundred ninety-seven".

Divisors: 1 5279 24443 129034597