Search a number
-
+
68096704 = 261381847
BaseRepresentation
bin1000000111100…
…01001011000000
311202010200010011
410003301023000
5114413043304
610431314304
71454545444
oct403611300
9152120104
1068096704
1135491075
121a97b994
1311153410
149088824
155ea1c04
hex40f12c0

68096704 has 28 divisors (see below), whose sum is σ = 145525744. Its totient is φ = 31428864.

The previous prime is 68096701. The next prime is 68096771. The reversal of 68096704 is 40769086.

It is a super-2 number, since 2×680967042 = 9274322191327232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68096701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40092 + ... + 41755.

It is an arithmetic number, because the mean of its divisors is an integer number (5197348).

Almost surely, 268096704 is an apocalyptic number.

68096704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68096704 is an abundant number, since it is smaller than the sum of its proper divisors (77429040).

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

68096704 is a wasteful number, since it uses less digits than its factorization.

68096704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81872 (or 81862 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 68096704 is about 8252.0727093258. The cubic root of 68096704 is about 408.3589050023.

The spelling of 68096704 in words is "sixty-eight million, ninety-six thousand, seven hundred four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 81847 163694 327388 654776 1064011 1309552 2128022 2619104 4256044 5238208 8512088 17024176 34048352 68096704