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68254343 = 317330161
BaseRepresentation
bin1000001000101…
…11101010000111
311202102200100122
410010113222013
5114433114333
610434532155
71456103153
oct404275207
9152380318
1068254343
1135589553
121aa3705b
13111aa0b1
1490ca063
155ed3798
hex4117a87

68254343 has 8 divisors (see below), whose sum is σ = 71423616. Its totient is φ = 65145600.

The previous prime is 68254261. The next prime is 68254349. The reversal of 68254343 is 34345286.

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 68254343 - 210 = 68253319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68254349) 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, 12818 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (8927952).

Almost surely, 268254343 is an apocalyptic number.

68254343 is a deficient number, since it is larger than the sum of its proper divisors (3169273).

68254343 is a wasteful number, since it uses less digits than its factorization.

68254343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30265.

The product of its digits is 69120, while the sum is 35.

The square root of 68254343 is about 8261.6186670652. The cubic root of 68254343 is about 408.6737693851.

The spelling of 68254343 in words is "sixty-eight million, two hundred fifty-four thousand, three hundred forty-three".

Divisors: 1 31 73 2263 30161 934991 2201753 68254343