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68034812 = 22291015807
BaseRepresentation
bin1000000111000…
…10000011111100
311202000112012212
410003202003330
5114404103222
610430115552
71454200136
oct403420374
9152015185
1068034812
113544961a
121a94bbb8
13111311b1
149070056
155e8d6e2
hex40e20fc

68034812 has 24 divisors (see below), whose sum is σ = 124407360. Its totient is φ = 32513600.

The previous prime is 68034793. The next prime is 68034817. The reversal of 68034812 is 21843086.

It is a super-4 number, since 4×680348124 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68034817) 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 7 ways as a sum of consecutive naturals, for example, 8813 + ... + 14619.

It is an arithmetic number, because the mean of its divisors is an integer number (5183640).

Almost surely, 268034812 is an apocalyptic number.

It is an amenable number.

68034812 is a deficient number, since it is larger than the sum of its proper divisors (56372548).

68034812 is a wasteful number, since it uses less digits than its factorization.

68034812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5939 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 68034812 is about 8248.3217686994. The cubic root of 68034812 is about 408.2351505530.

Adding to 68034812 its reverse (21843086), we get a palindrome (89877898).

The spelling of 68034812 in words is "sixty-eight million, thirty-four thousand, eight hundred twelve".

Divisors: 1 2 4 29 58 101 116 202 404 2929 5807 5858 11614 11716 23228 168403 336806 586507 673612 1173014 2346028 17008703 34017406 68034812