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68701170 = 2352290039
BaseRepresentation
bin1000001100001…
…00101111110010
311210021101021210
410012010233302
5120041414140
610452300550
71462643646
oct406045762
9153241253
1068701170
113586422a
121b011756
13113055a5
1491a4c26
156070d80
hex4184bf2

68701170 has 16 divisors (see below), whose sum is σ = 164882880. Its totient is φ = 18320304.

The previous prime is 68701151. The next prime is 68701183. The reversal of 68701170 is 7110786.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2290039 = 68701170 / (6 + 8 + 7 + 0 + 1 + 1 + 7 + 0).

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, 1144990 + ... + 1145049.

It is an arithmetic number, because the mean of its divisors is an integer number (10305180).

Almost surely, 268701170 is an apocalyptic number.

68701170 is an abundant number, since it is smaller than the sum of its proper divisors (96181710).

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

68701170 is a wasteful number, since it uses less digits than its factorization.

68701170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290049.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 68701170 is about 8288.6168930648. The cubic root of 68701170 is about 409.5636245531.

The spelling of 68701170 in words is "sixty-eight million, seven hundred one thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2290039 4580078 6870117 11450195 13740234 22900390 34350585 68701170