Search a number
-
+
68255304 = 23313317057
BaseRepresentation
bin1000001000101…
…11111001001000
311202102201200020
410010113321020
5114433132204
610434540440
71456106025
oct404277110
9152381606
1068255304
113558a247
121aa37720
13111aa670
1490ca54c
155ed3bd9
hex4117e48

68255304 has 64 divisors (see below), whose sum is σ = 189719040. Its totient is φ = 20321280.

The previous prime is 68255303. The next prime is 68255309. The reversal of 68255304 is 40355286.

It is not an unprimeable number, because it can be changed into a prime (68255303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6144 + ... + 13200.

It is an arithmetic number, because the mean of its divisors is an integer number (2964360).

Almost surely, 268255304 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 68255304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94859520).

68255304 is an abundant number, since it is smaller than the sum of its proper divisors (121463736).

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

68255304 is a wasteful number, since it uses less digits than its factorization.

68255304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110 (or 7106 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 68255304 is about 8261.6768273759. The cubic root of 68255304 is about 408.6756873761.

The spelling of 68255304 in words is "sixty-eight million, two hundred fifty-five thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 13 24 26 31 39 52 62 78 93 104 124 156 186 248 312 372 403 744 806 1209 1612 2418 3224 4836 7057 9672 14114 21171 28228 42342 56456 84684 91741 169368 183482 218767 275223 366964 437534 550446 656301 733928 875068 1100892 1312602 1750136 2201784 2625204 2843971 5250408 5687942 8531913 11375884 17063826 22751768 34127652 68255304