Search a number
-
+
68591614 = 27131033659
BaseRepresentation
bin1000001011010…
…01111111111110
311210001211000011
410011221333332
5120024412424
610450053434
71462006360
oct405517776
9153054004
1068591614
1135799993
121ab7a27a
1311297770
149176d30
15604d694
hex4169ffe

68591614 has 32 divisors (see below), whose sum is σ = 127895040. Its totient is φ = 26864352.

The previous prime is 68591597. The next prime is 68591639. The reversal of 68591614 is 41619586.

It is a super-2 number, since 2×685916142 = 9409619022249992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16917 + ... + 20575.

It is an arithmetic number, because the mean of its divisors is an integer number (3996720).

Almost surely, 268591614 is an apocalyptic number.

68591614 is a deficient number, since it is larger than the sum of its proper divisors (59303426).

68591614 is a wasteful number, since it uses less digits than its factorization.

68591614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784.

The product of its digits is 51840, while the sum is 40.

The square root of 68591614 is about 8282.0054334684. The cubic root of 68591614 is about 409.3458018450.

It can be divided in two parts, 6859161 and 4, that multiplied together give a square (27436644 = 52382).

The spelling of 68591614 in words is "sixty-eight million, five hundred ninety-one thousand, six hundred fourteen".

Divisors: 1 2 7 13 14 26 91 103 182 206 721 1339 1442 2678 3659 7318 9373 18746 25613 47567 51226 95134 332969 376877 665938 753754 2638139 4899401 5276278 9798802 34295807 68591614