Search a number
-
+
68368722 = 23103110629
BaseRepresentation
bin1000001001100…
…11100101010010
311202122111020220
410010303211102
5120000244342
610441213510
71460060502
oct404634522
9152574226
1068368722
1135657484
121aa91296
131121a186
149119a02
1560075ec
hex4133952

68368722 has 16 divisors (see below), whose sum is σ = 138066240. Its totient is φ = 22568112.

The previous prime is 68368681. The next prime is 68368757. The reversal of 68368722 is 22786386.

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 7 ways as a sum of consecutive naturals, for example, 54697 + ... + 55932.

It is an arithmetic number, because the mean of its divisors is an integer number (8629140).

Almost surely, 268368722 is an apocalyptic number.

68368722 is an abundant number, since it is smaller than the sum of its proper divisors (69697518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68368722 is a wasteful number, since it uses less digits than its factorization.

68368722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110737.

The product of its digits is 193536, while the sum is 42.

The square root of 68368722 is about 8268.5380811846. The cubic root of 68368722 is about 408.9019239055.

The spelling of 68368722 in words is "sixty-eight million, three hundred sixty-eight thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 103 206 309 618 110629 221258 331887 663774 11394787 22789574 34184361 68368722