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68500607 = 731315671
BaseRepresentation
bin1000001010100…
…11110001111111
311202220012011112
410011103301333
5120014004412
610444112235
71461150140
oct405236177
9152805145
1068500607
113573757a
121ab3567b
1311265206
149151ac7
156031722
hex4153c7f

68500607 has 8 divisors (see below), whose sum is σ = 80812032. Its totient is φ = 56820600.

The previous prime is 68500577. The next prime is 68500631. The reversal of 68500607 is 70600586.

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

It is a cyclic number.

It is not a de Polignac number, because 68500607 - 26 = 68500543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68500637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157619 + ... + 158052.

It is an arithmetic number, because the mean of its divisors is an integer number (10101504).

Almost surely, 268500607 is an apocalyptic number.

68500607 is a deficient number, since it is larger than the sum of its proper divisors (12311425).

68500607 is a wasteful number, since it uses less digits than its factorization.

68500607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315709.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68500607 is about 8276.5093487533. The cubic root of 68500607 is about 409.1646824185.

The spelling of 68500607 in words is "sixty-eight million, five hundred thousand, six hundred seven".

Divisors: 1 7 31 217 315671 2209697 9785801 68500607