Search a number
-
+
68044256 = 2573141239
BaseRepresentation
bin1000000111001…
…00010111100000
311202001000011122
410003210113200
5114404404011
610430231412
71454236520
oct403442740
9152030148
1068044256
1135455725
121a955568
1311135597
149073680
155e913db
hex40e45e0

68044256 has 96 divisors (see below), whose sum is σ = 162570240. Its totient is φ = 27417600.

The previous prime is 68044247. The next prime is 68044259. The reversal of 68044256 is 65244086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68044259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284585 + ... + 284823.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 268044256 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 68044256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81285120).

68044256 is an abundant number, since it is smaller than the sum of its proper divisors (94525984).

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

68044256 is a wasteful number, since it uses less digits than its factorization.

68044256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 68044256 is about 8248.8942289255. The cubic root of 68044256 is about 408.2540388950.

The spelling of 68044256 in words is "sixty-eight million, forty-four thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 31 32 41 56 62 82 112 124 164 217 224 239 248 287 328 434 478 496 574 656 868 956 992 1148 1271 1312 1673 1736 1912 2296 2542 3346 3472 3824 4592 5084 6692 6944 7409 7648 8897 9184 9799 10168 13384 14818 17794 19598 20336 26768 29636 35588 39196 40672 51863 53536 59272 68593 71176 78392 103726 118544 137186 142352 156784 207452 237088 274372 284704 303769 313568 414904 548744 607538 829808 1097488 1215076 1659616 2126383 2194976 2430152 4252766 4860304 8505532 9720608 17011064 34022128 68044256