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68255964 = 22327436299
BaseRepresentation
bin1000001000110…
…00000011011100
311202102202120200
410010120003130
5114433142324
610434543500
71456110660
oct404300334
9152382520
1068255964
113558a797
121aa37b90
13111aaa5a
1490ca8a0
155ed3ec9
hex41180dc

68255964 has 72 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 19045152.

The previous prime is 68255959. The next prime is 68255977. The reversal of 68255964 is 46955286.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7687 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (2802800).

Almost surely, 268255964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68255964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100900800).

68255964 is an abundant number, since it is smaller than the sum of its proper divisors (133545636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68255964 is a wasteful number, since it uses less digits than its factorization.

68255964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6359 (or 6354 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 68255964 is about 8261.7167707444. The cubic root of 68255964 is about 408.6770046123.

The spelling of 68255964 in words is "sixty-eight million, two hundred fifty-five thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 43 63 84 86 126 129 172 252 258 301 387 516 602 774 903 1204 1548 1806 2709 3612 5418 6299 10836 12598 18897 25196 37794 44093 56691 75588 88186 113382 132279 176372 226764 264558 270857 396837 529116 541714 793674 812571 1083428 1587348 1625142 1895999 2437713 3250284 3791998 4875426 5687997 7583996 9750852 11375994 17063991 22751988 34127982 68255964