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68625706 = 234312853
BaseRepresentation
bin1000001011100…
…10010100101010
311210010112202211
410011302110222
5120032010311
610450515334
71462210642
oct405622452
9153115684
1068625706
1135812566
121ab95b4a
13112aa136
149185522
156058821
hex417252a

68625706 has 4 divisors (see below), whose sum is σ = 102938562. Its totient is φ = 34312852.

The previous prime is 68625679. The next prime is 68625731. The reversal of 68625706 is 60752686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60980481 + 7645225 = 7809^2 + 2765^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17156425 + ... + 17156428.

Almost surely, 268625706 is an apocalyptic number.

68625706 is a deficient number, since it is larger than the sum of its proper divisors (34312856).

68625706 is a wasteful number, since it uses less digits than its factorization.

68625706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34312855.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68625706 is about 8284.0633749387. The cubic root of 68625706 is about 409.4136094813.

The spelling of 68625706 in words is "sixty-eight million, six hundred twenty-five thousand, seven hundred six".

Divisors: 1 2 34312853 68625706