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68480699 = 79782957
BaseRepresentation
bin1000001010011…
…10111010111011
311202212011212012
410011032322323
5120012340244
610443440135
71461035120
oct405167273
9152764765
1068480699
1135723621
121ab2604b
1311259131
149148747
15602a89e
hex414eebb

68480699 has 4 divisors (see below), whose sum is σ = 78263664. Its totient is φ = 58697736.

The previous prime is 68480681. The next prime is 68480719. The reversal of 68480699 is 99608486.

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

It is a cyclic number.

It is not a de Polignac number, because 68480699 - 28 = 68480443 is a prime.

It is a super-2 number, since 2×684806992 = 9379212271057202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68480609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4891472 + ... + 4891485.

It is an arithmetic number, because the mean of its divisors is an integer number (19565916).

Almost surely, 268480699 is an apocalyptic number.

68480699 is a deficient number, since it is larger than the sum of its proper divisors (9782965).

68480699 is an equidigital number, since it uses as much as digits as its factorization.

68480699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782964.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 68480699 is about 8275.3065804235. The cubic root of 68480699 is about 409.1250407272.

The spelling of 68480699 in words is "sixty-eight million, four hundred eighty thousand, six hundred ninety-nine".

Divisors: 1 7 9782957 68480699