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68115362 = 2717286199
BaseRepresentation
bin1000000111101…
…01101110100010
311202011121201012
410003311232202
5114414142422
610431540522
71454654030
oct403655642
9152147635
1068115362
11354a4097
121a98a742
131115ba63
149091550
155ea74e2
hex40f5ba2

68115362 has 16 divisors (see below), whose sum is σ = 123638400. Its totient is φ = 27475008.

The previous prime is 68115353. The next prime is 68115367. The reversal of 68115362 is 26351186.

It is a happy number.

It is a super-3 number, since 3×681153623 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68115367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142862 + ... + 143337.

It is an arithmetic number, because the mean of its divisors is an integer number (7727400).

Almost surely, 268115362 is an apocalyptic number.

68115362 is a deficient number, since it is larger than the sum of its proper divisors (55523038).

68115362 is a wasteful number, since it uses less digits than its factorization.

68115362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286225.

The product of its digits is 8640, while the sum is 32.

The square root of 68115362 is about 8253.2031357528. The cubic root of 68115362 is about 408.3961973833.

The spelling of 68115362 in words is "sixty-eight million, one hundred fifteen thousand, three hundred sixty-two".

Divisors: 1 2 7 14 17 34 119 238 286199 572398 2003393 4006786 4865383 9730766 34057681 68115362