Search a number
-
+
68506814 = 234253407
BaseRepresentation
bin1000001010101…
…01010010111110
311202220111200102
410011111102332
5120014204224
610444201102
71461204215
oct405252276
9152814612
1068506814
1135741202
121ab39192
1311267c9c
14915407c
1560334ae
hex41554be

68506814 has 4 divisors (see below), whose sum is σ = 102760224. Its totient is φ = 34253406.

The previous prime is 68506759. The next prime is 68506831. The reversal of 68506814 is 41860586.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17126702 + ... + 17126705.

It is an arithmetic number, because the mean of its divisors is an integer number (25690056).

Almost surely, 268506814 is an apocalyptic number.

68506814 is a deficient number, since it is larger than the sum of its proper divisors (34253410).

68506814 is a wasteful number, since it uses less digits than its factorization.

68506814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34253409.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 68506814 is about 8276.8843171812. The cubic root of 68506814 is about 409.1770405011.

The spelling of 68506814 in words is "sixty-eight million, five hundred six thousand, eight hundred fourteen".

Divisors: 1 2 34253407 68506814