Search a number
-
+
68279298 = 2331675479
BaseRepresentation
bin1000001000111…
…01110000000010
311202110221120220
410010131300002
5114434414143
610435243510
71456236003
oct404356002
9152427526
1068279298
11355a627a
121aa49596
13111b8569
1490d51aa
155edad83
hex411dc02

68279298 has 32 divisors (see below), whose sum is σ = 143093760. Its totient is φ = 21692880.

The previous prime is 68279291. The next prime is 68279303. The reversal of 68279298 is 89297286.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68279298.

It is not an unprimeable number, because it can be changed into a prime (68279291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9723 + ... + 15201.

It is an arithmetic number, because the mean of its divisors is an integer number (4471680).

Almost surely, 268279298 is an apocalyptic number.

68279298 is an abundant number, since it is smaller than the sum of its proper divisors (74814462).

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

68279298 is a wasteful number, since it uses less digits than its factorization.

68279298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582.

The product of its digits is 870912, while the sum is 51.

The square root of 68279298 is about 8263.1288262982. The cubic root of 68279298 is about 408.7235694457.

The spelling of 68279298 in words is "sixty-eight million, two hundred seventy-nine thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 31 62 67 93 134 186 201 402 2077 4154 5479 6231 10958 12462 16437 32874 169849 339698 367093 509547 734186 1019094 1101279 2202558 11379883 22759766 34139649 68279298