Search a number
-
+
68889876 = 223112322691
BaseRepresentation
bin1000001101100…
…10110100010100
311210121222010220
410012302310110
5120113434001
610500314340
71464361056
oct406626424
9153558126
1068889876
1135982a90
121b0a29b0
1311370453
1492138d6
1560abc36
hex41b2d14

68889876 has 48 divisors (see below), whose sum is σ = 182988288. Its totient is φ = 19967200.

The previous prime is 68889857. The next prime is 68889911. The reversal of 68889876 is 67898886.

It is a congruent number.

It is an unprimeable number.

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, 8310 + ... + 14381.

It is an arithmetic number, because the mean of its divisors is an integer number (3812256).

Almost surely, 268889876 is an apocalyptic number.

68889876 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68889876 is an abundant number, since it is smaller than the sum of its proper divisors (114098412).

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

68889876 is a wasteful number, since it uses less digits than its factorization.

68889876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22732 (or 22730 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 60.

The square root of 68889876 is about 8299.9925301171. The cubic root of 68889876 is about 409.9382734756.

The spelling of 68889876 in words is "sixty-eight million, eight hundred eighty-nine thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 22 23 33 44 46 66 69 92 132 138 253 276 506 759 1012 1518 3036 22691 45382 68073 90764 136146 249601 272292 499202 521893 748803 998404 1043786 1497606 1565679 2087572 2995212 3131358 5740823 6262716 11481646 17222469 22963292 34444938 68889876