Search a number
-
+
68167844 = 2228875903
BaseRepresentation
bin1000001000000…
…10100010100100
311202021021200222
410010002202210
5114422332334
610433023512
71455263033
oct404024244
9152237628
1068167844
113552a568
121a9b4b98
1311179904
1490a671a
155eb7d2e
hex41028a4

68167844 has 12 divisors (see below), whose sum is σ = 119355264. Its totient is φ = 34066344.

The previous prime is 68167843. The next prime is 68167861. The reversal of 68167844 is 44876186.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68167795 and 68167804.

It is not an unprimeable number, because it can be changed into a prime (68167843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8597 + ... + 14499.

It is an arithmetic number, because the mean of its divisors is an integer number (9946272).

Almost surely, 268167844 is an apocalyptic number.

It is an amenable number.

68167844 is a deficient number, since it is larger than the sum of its proper divisors (51187420).

68167844 is a wasteful number, since it uses less digits than its factorization.

68167844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8794 (or 8792 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 68167844 is about 8256.3820163556. The cubic root of 68167844 is about 408.5010584417.

The spelling of 68167844 in words is "sixty-eight million, one hundred sixty-seven thousand, eight hundred forty-four".

Divisors: 1 2 4 2887 5774 5903 11548 11806 23612 17041961 34083922 68167844