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129304198 = 2795031627
BaseRepresentation
bin1111011010100…
…00011010000110
3100000022100000101
413231100122012
5231100213243
620455234314
73130032112
oct755203206
9300270011
10129304198
1166a97181
123737899a
1320a33b7a
141325c742
15b54254d
hex7b50686

129304198 has 16 divisors (see below), whose sum is σ = 196922880. Its totient is φ = 63667656.

The previous prime is 129304187. The next prime is 129304249. The reversal of 129304198 is 891403921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78661 + ... + 80287.

It is an arithmetic number, because the mean of its divisors is an integer number (12307680).

Almost surely, 2129304198 is an apocalyptic number.

129304198 is a deficient number, since it is larger than the sum of its proper divisors (67618682).

129304198 is a wasteful number, since it uses less digits than its factorization.

129304198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 129304198 is about 11371.2003763895. The cubic root of 129304198 is about 505.6742918917.

The spelling of 129304198 in words is "one hundred twenty-nine million, three hundred four thousand, one hundred ninety-eight".

Divisors: 1 2 79 158 503 1006 1627 3254 39737 79474 128533 257066 818381 1636762 64652099 129304198