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68714070 = 23519120551
BaseRepresentation
bin1000001100001…
…11111001010110
311210022000222120
410012013321112
5120042322240
610452440410
71463026365
oct406077126
9153260876
1068714070
1135872997
121b019106
131130b419
1491a97dc
156074ad0
hex4187e56

68714070 has 32 divisors (see below), whose sum is σ = 173594880. Its totient is φ = 17359200.

The previous prime is 68714059. The next prime is 68714071. The reversal of 68714070 is 7041786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68714071) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 59706 + ... + 60845.

It is an arithmetic number, because the mean of its divisors is an integer number (5424840).

Almost surely, 268714070 is an apocalyptic number.

68714070 is an abundant number, since it is smaller than the sum of its proper divisors (104880810).

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

68714070 is a wasteful number, since it uses less digits than its factorization.

68714070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120580.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 68714070 is about 8289.3950322083. The cubic root of 68714070 is about 409.5892574990.

The spelling of 68714070 in words is "sixty-eight million, seven hundred fourteen thousand, seventy".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 120551 241102 361653 602755 723306 1205510 1808265 2290469 3616530 4580938 6871407 11452345 13742814 22904690 34357035 68714070