Search a number
-
+
68663302 = 21953103331
BaseRepresentation
bin1000001011110…
…11100000000110
311210012110100021
410011323200012
5120034211202
610451405354
71462425361
oct405734006
9153173307
1068663302
1135838834
121abb385a
13112c1296
1491950d8
156064a37
hex417b806

68663302 has 32 divisors (see below), whose sum is σ = 111870720. Its totient is φ = 31505760.

The previous prime is 68663297. The next prime is 68663311. The reversal of 68663302 is 20336686.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 207277 + ... + 207607.

It is an arithmetic number, because the mean of its divisors is an integer number (3495960).

Almost surely, 268663302 is an apocalyptic number.

68663302 is a deficient number, since it is larger than the sum of its proper divisors (43207418).

68663302 is a wasteful number, since it uses less digits than its factorization.

68663302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 68663302 is about 8286.3322405030. The cubic root of 68663302 is about 409.4883604017.

Adding to 68663302 its reverse (20336686), we get a palindrome (88999988).

The spelling of 68663302 in words is "sixty-eight million, six hundred sixty-three thousand, three hundred two".

Divisors: 1 2 19 38 53 103 106 206 331 662 1007 1957 2014 3914 5459 6289 10918 12578 17543 34093 35086 68186 103721 207442 333317 647767 666634 1295534 1806929 3613858 34331651 68663302