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68353158 = 2317670129
BaseRepresentation
bin1000001001011…
…11110010000110
311202121200220110
410010233302012
5114444300113
610441013450
71456664226
oct404576206
9152550813
1068353158
1135646815
121aa84286
1311213073
149114086
156002bc3
hex412fc86

68353158 has 16 divisors (see below), whose sum is σ = 144748080. Its totient is φ = 21444096.

The previous prime is 68353147. The next prime is 68353163. The reversal of 68353158 is 85135386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334963 + ... + 335166.

It is an arithmetic number, because the mean of its divisors is an integer number (9046755).

Almost surely, 268353158 is an apocalyptic number.

68353158 is an abundant number, since it is smaller than the sum of its proper divisors (76394922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68353158 is a wasteful number, since it uses less digits than its factorization.

68353158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670151.

The product of its digits is 86400, while the sum is 39.

The square root of 68353158 is about 8267.5968697077. The cubic root of 68353158 is about 408.8708929880.

The spelling of 68353158 in words is "sixty-eight million, three hundred fifty-three thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 17 34 51 102 670129 1340258 2010387 4020774 11392193 22784386 34176579 68353158