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68082538 = 257758997
BaseRepresentation
bin1000000111011…
…01101101101010
311202002221200111
410003231231222
5114412120123
610431124534
71454456236
oct403555552
9152087614
1068082538
1135481467
121a97374a
1311149b34
1490835c6
155e9c90d
hex40edb6a

68082538 has 8 divisors (see below), whose sum is σ = 102302532. Its totient is φ = 33981696.

The previous prime is 68082503. The next prime is 68082563. The reversal of 68082538 is 83528086.

It can be written as a sum of positive squares in 2 ways, for example, as 59243809 + 8838729 = 7697^2 + 2973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68082538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28345 + ... + 30652.

Almost surely, 268082538 is an apocalyptic number.

68082538 is a deficient number, since it is larger than the sum of its proper divisors (34219994).

68082538 is a wasteful number, since it uses less digits than its factorization.

68082538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59576.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 68082538 is about 8251.2143348722. The cubic root of 68082538 is about 408.3305863853.

The spelling of 68082538 in words is "sixty-eight million, eighty-two thousand, five hundred thirty-eight".

Divisors: 1 2 577 1154 58997 117994 34041269 68082538