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129552293 = 1383120067
BaseRepresentation
bin1111011100011…
…00111110100101
3100000202221100002
413232030332211
5231131133133
620504431045
73132114323
oct756147645
9300687302
10129552293
1167146612
1237478485
1320abca80
14132c4d13
15b590ce8
hex7b8cfa5

129552293 has 8 divisors (see below), whose sum is σ = 141199968. Its totient is φ = 118144944.

The previous prime is 129552263. The next prime is 129552323. The reversal of 129552293 is 392255921.

It is an interprime number because it is at equal distance from previous prime (129552263) and next prime (129552323).

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 129552293 - 210 = 129551269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129552263) by changing a digit.

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, 58955 + ... + 61112.

It is an arithmetic number, because the mean of its divisors is an integer number (17649996).

Almost surely, 2129552293 is an apocalyptic number.

129552293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

129552293 is a deficient number, since it is larger than the sum of its proper divisors (11647675).

129552293 is a wasteful number, since it uses less digits than its factorization.

129552293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120163.

The product of its digits is 48600, while the sum is 38.

The square root of 129552293 is about 11382.1040673506. The cubic root of 129552293 is about 505.9974964334.

The spelling of 129552293 in words is "one hundred twenty-nine million, five hundred fifty-two thousand, two hundred ninety-three".

Divisors: 1 13 83 1079 120067 1560871 9965561 129552293