Search a number
-
+
68311364 = 22111552531
BaseRepresentation
bin1000001001001…
…01100101000100
311202112120120112
410010211211010
5114441430424
610440052152
71456431332
oct404454504
9152476515
1068311364
1135618380
121aa64058
13111ca034
149102b52
155ee560e
hex4125944

68311364 has 12 divisors (see below), whose sum is σ = 130412688. Its totient is φ = 31050600.

The previous prime is 68311349. The next prime is 68311417. The reversal of 68311364 is 46311386.

It is a self number, because there is not a number n which added to its sum of digits gives 68311364.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776222 + ... + 776309.

It is an arithmetic number, because the mean of its divisors is an integer number (10867724).

Almost surely, 268311364 is an apocalyptic number.

It is an amenable number.

68311364 is a deficient number, since it is larger than the sum of its proper divisors (62101324).

68311364 is a wasteful number, since it uses less digits than its factorization.

68311364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552546 (or 1552544 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 68311364 is about 8265.0689047339. The cubic root of 68311364 is about 408.7875423688.

The spelling of 68311364 in words is "sixty-eight million, three hundred eleven thousand, three hundred sixty-four".

Divisors: 1 2 4 11 22 44 1552531 3105062 6210124 17077841 34155682 68311364