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68076412 = 22236771093
BaseRepresentation
bin1000000111011…
…00001101111100
311202002122021121
410003230031330
5114411421122
610431040324
71454432335
oct403541574
9152078247
1068076412
11354778a8
121a9700a4
1311147101
14908128c
155e9abc7
hex40ec37c

68076412 has 24 divisors (see below), whose sum is σ = 124610976. Its totient is φ = 32480448.

The previous prime is 68076401. The next prime is 68076419. The reversal of 68076412 is 21467086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68076419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61738 + ... + 62830.

It is an arithmetic number, because the mean of its divisors is an integer number (5192124).

Almost surely, 268076412 is an apocalyptic number.

It is an amenable number.

68076412 is a deficient number, since it is larger than the sum of its proper divisors (56534564).

68076412 is a wasteful number, since it uses less digits than its factorization.

68076412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 68076412 is about 8250.8431084344. The cubic root of 68076412 is about 408.3183389561.

The spelling of 68076412 in words is "sixty-eight million, seventy-six thousand, four hundred twelve".

Divisors: 1 2 4 23 46 92 677 1093 1354 2186 2708 4372 15571 25139 31142 50278 62284 100556 739961 1479922 2959844 17019103 34038206 68076412