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68715006 = 2311452501
BaseRepresentation
bin1000001100010…
…00000111111110
311210022002021020
410012020013332
5120042340011
610452445010
71463032203
oct406100776
9153262236
1068715006
1135873668
121b019766
131130b989
1491a9caa
156075006
hex41881fe

68715006 has 8 divisors (see below), whose sum is σ = 137430024. Its totient is φ = 22905000.

The previous prime is 68714993. The next prime is 68715011. The reversal of 68715006 is 60051786.

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

68715006 is an admirable number.

It is a congruent number.

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, 5726245 + ... + 5726256.

It is an arithmetic number, because the mean of its divisors is an integer number (17178753).

Almost surely, 268715006 is an apocalyptic number.

68715006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68715006 is a wasteful number, since it uses less digits than its factorization.

68715006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11452506.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 68715006 is about 8289.4514896946. The cubic root of 68715006 is about 409.5911172530.

The spelling of 68715006 in words is "sixty-eight million, seven hundred fifteen thousand, six".

Divisors: 1 2 3 6 11452501 22905002 34357503 68715006