Search a number
-
+
68858268 = 2237437723
BaseRepresentation
bin1000001101010…
…11000110011100
311210120100210020
410012223012130
5120111431033
610455512140
71464166653
oct406530634
9153510706
1068858268
1135961266
121b088650
131135bc4b
14920619a
1560a26b3
hex41ab19c

68858268 has 24 divisors (see below), whose sum is σ = 160906368. Its totient is φ = 22918896.

The previous prime is 68858249. The next prime is 68858287. The reversal of 68858268 is 86285886.

It is an interprime number because it is at equal distance from previous prime (68858249) and next prime (68858287).

It is a super-2 number, since 2×688582682 = 9482922143919648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68858268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (6704432).

Almost surely, 268858268 is an apocalyptic number.

It is an amenable number.

68858268 is an abundant number, since it is smaller than the sum of its proper divisors (92048100).

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

68858268 is a wasteful number, since it uses less digits than its factorization.

68858268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473 (or 8471 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The square root of 68858268 is about 8298.0882135586. The cubic root of 68858268 is about 409.8755680298.

The spelling of 68858268 in words is "sixty-eight million, eight hundred fifty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 743 1486 2229 2972 4458 7723 8916 15446 23169 30892 46338 92676 5738189 11476378 17214567 22952756 34429134 68858268