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68014434 = 2331365669
BaseRepresentation
bin1000000110111…
…01000101100010
311201222111021010
410003131011202
5114402430214
610425441350
71454053545
oct403350542
9151874233
1068014434
1135435284
121a940256
1311124b37
14906685c
155e87659
hex40dd162

68014434 has 16 divisors (see below), whose sum is σ = 140417280. Its totient is φ = 21940080.

The previous prime is 68014411. The next prime is 68014459. The reversal of 68014434 is 43441086.

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 7 ways as a sum of consecutive naturals, for example, 182649 + ... + 183020.

It is an arithmetic number, because the mean of its divisors is an integer number (8776080).

Almost surely, 268014434 is an apocalyptic number.

68014434 is an abundant number, since it is smaller than the sum of its proper divisors (72402846).

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

68014434 is a wasteful number, since it uses less digits than its factorization.

68014434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365705.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 68014434 is about 8247.0863946002. The cubic root of 68014434 is about 408.1943878593.

The spelling of 68014434 in words is "sixty-eight million, fourteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 31 62 93 186 365669 731338 1097007 2194014 11335739 22671478 34007217 68014434