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68500329 = 322833443
BaseRepresentation
bin1000001010100…
…11101101101001
311202220011210020
410011103231221
5120014002304
610444111053
71461146262
oct405235551
9152804706
1068500329
1135737347
121ab35489
1311265051
149151969
1560315d9
hex4153b69

68500329 has 4 divisors (see below), whose sum is σ = 91333776. Its totient is φ = 45666884.

The previous prime is 68500309. The next prime is 68500373. The reversal of 68500329 is 92300586.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68500329 is a prime.

It is a super-3 number, since 3×685003293 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68500329.

It is not an unprimeable number, because it can be changed into a prime (68500309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11416719 + ... + 11416724.

It is an arithmetic number, because the mean of its divisors is an integer number (22833444).

Almost surely, 268500329 is an apocalyptic number.

It is an amenable number.

68500329 is a deficient number, since it is larger than the sum of its proper divisors (22833447).

68500329 is a wasteful number, since it uses less digits than its factorization.

68500329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22833446.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 68500329 is about 8276.4925542164. The cubic root of 68500329 is about 409.1641289054.

The spelling of 68500329 in words is "sixty-eight million, five hundred thousand, three hundred twenty-nine".

Divisors: 1 3 22833443 68500329