Search a number
-
+
68608418 = 271947711
BaseRepresentation
bin1000001011011…
…10000110100010
311210002200001112
410011232012202
5120030432133
610450303322
71462106354
oct405560642
9153080045
1068608418
113580057a
121ab87b42
13112a22c8
14917d0d4
156053648
hex416e1a2

68608418 has 8 divisors (see below), whose sum is σ = 103057920. Its totient is φ = 34255780.

The previous prime is 68608399. The next prime is 68608429. The reversal of 68608418 is 81480686.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 22418 + ... + 25293.

It is an arithmetic number, because the mean of its divisors is an integer number (12882240).

Almost surely, 268608418 is an apocalyptic number.

68608418 is a deficient number, since it is larger than the sum of its proper divisors (34449502).

68608418 is a wasteful number, since it uses less digits than its factorization.

68608418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48432.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 68608418 is about 8283.0198599303. The cubic root of 68608418 is about 409.3792271420.

The spelling of 68608418 in words is "sixty-eight million, six hundred eight thousand, four hundred eighteen".

Divisors: 1 2 719 1438 47711 95422 34304209 68608418