Search a number
-
+
68345974 = 2166320549
BaseRepresentation
bin1000001001011…
…10000001110110
311202121100001101
410010232001312
5114444032344
610440520314
71456634254
oct404560166
9152540041
1068345974
1135641384
121aa8009a
131120ca08
1491115d4
1560009d4
hex412e076

68345974 has 8 divisors (see below), whose sum is σ = 102585600. Its totient is φ = 34150776.

The previous prime is 68345971. The next prime is 68345987. The reversal of 68345974 is 47954386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68345971) 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 3 ways as a sum of consecutive naturals, for example, 6949 + ... + 13600.

It is an arithmetic number, because the mean of its divisors is an integer number (12823200).

Almost surely, 268345974 is an apocalyptic number.

68345974 is a deficient number, since it is larger than the sum of its proper divisors (34239626).

68345974 is a wasteful number, since it uses less digits than its factorization.

68345974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22214.

The product of its digits is 725760, while the sum is 46.

The square root of 68345974 is about 8267.1623910505. The cubic root of 68345974 is about 408.8565682101.

The spelling of 68345974 in words is "sixty-eight million, three hundred forty-five thousand, nine hundred seventy-four".

Divisors: 1 2 1663 3326 20549 41098 34172987 68345974