Search a number
-
+
68122222 = 2740911897
BaseRepresentation
bin1000000111101…
…11011001101110
311202011222010021
410003313121232
5114414402342
610432032354
71455013030
oct403673156
9152158107
1068122222
11354a9263
121a9926ba
1311161c0c
149093c50
155ea9567
hex40f766e

68122222 has 16 divisors (see below), whose sum is σ = 117076320. Its totient is φ = 29121408.

The previous prime is 68122199. The next prime is 68122231. The reversal of 68122222 is 22222186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (7317270).

Almost surely, 268122222 is an apocalyptic number.

68122222 is a deficient number, since it is larger than the sum of its proper divisors (48954098).

68122222 is a wasteful number, since it uses less digits than its factorization.

68122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12315.

The product of its digits is 1536, while the sum is 25.

The square root of 68122222 is about 8253.6187215063. The cubic root of 68122222 is about 408.4099069870.

The spelling of 68122222 in words is "sixty-eight million, one hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 409 818 2863 5726 11897 23794 83279 166558 4865873 9731746 34061111 68122222