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68457498 = 2311409583
BaseRepresentation
bin1000001010010…
…01010000011010
311202211000000220
410011021100122
5120011114443
610443140510
71460610354
oct405112032
9152730026
1068457498
113570814a
121ab14736
131124b6c5
1491400d4
156023a83
hex414941a

68457498 has 8 divisors (see below), whose sum is σ = 136915008. Its totient is φ = 22819164.

The previous prime is 68457481. The next prime is 68457509. The reversal of 68457498 is 89475486.

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

68457498 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68457498.

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, 5704786 + ... + 5704797.

It is an arithmetic number, because the mean of its divisors is an integer number (17114376).

Almost surely, 268457498 is an apocalyptic number.

68457498 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.

68457498 is a wasteful number, since it uses less digits than its factorization.

68457498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409588.

The product of its digits is 1935360, while the sum is 51.

The square root of 68457498 is about 8273.9046404947. The cubic root of 68457498 is about 409.0788321732.

The spelling of 68457498 in words is "sixty-eight million, four hundred fifty-seven thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 11409583 22819166 34228749 68457498