Search a number
-
+
68287096 = 23174311677
BaseRepresentation
bin1000001000111…
…11101001111000
311202111100021201
410010133221320
5114440141341
610435343544
71456300513
oct404375170
9152440251
1068287096
1135601119
121aa51bb4
13111bbc87
1490d7d7a
155edd331
hex411fa78

68287096 has 32 divisors (see below), whose sum is σ = 138734640. Its totient is φ = 31385088.

The previous prime is 68287081. The next prime is 68287097. The reversal of 68287096 is 69078286.

It is a super-2 number, since 2×682870962 = 9326254960226432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68287097) 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, 10 + ... + 11686.

Almost surely, 268287096 is an apocalyptic number.

It is an amenable number.

68287096 is an abundant number, since it is smaller than the sum of its proper divisors (70447544).

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

68287096 is a wasteful number, since it uses less digits than its factorization.

68287096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743 (or 11739 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 68287096 is about 8263.6006679897. The cubic root of 68287096 is about 408.7391286032.

It can be divided in two parts, 6828 and 7096, that added together give a square (13924 = 1182).

The spelling of 68287096 in words is "sixty-eight million, two hundred eighty-seven thousand, ninety-six".

Divisors: 1 2 4 8 17 34 43 68 86 136 172 344 731 1462 2924 5848 11677 23354 46708 93416 198509 397018 502111 794036 1004222 1588072 2008444 4016888 8535887 17071774 34143548 68287096