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68494824 = 23323173001
BaseRepresentation
bin1000001010100…
…10010111101000
311202212220020100
410011102113220
5120013313244
610444025400
71461124236
oct405222750
9152786210
1068494824
11357331a2
121ab32260
13112626a8
14914d956
15602eb69
hex41525e8

68494824 has 48 divisors (see below), whose sum is σ = 186154020. Its totient is φ = 22752000.

The previous prime is 68494813. The next prime is 68494843. The reversal of 68494824 is 42849486.

It can be written as a sum of positive squares in 2 ways, for example, as 64160100 + 4334724 = 8010^2 + 2082^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 68494824.

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 11 ways as a sum of consecutive naturals, for example, 21324 + ... + 24324.

Almost surely, 268494824 is an apocalyptic number.

It is an amenable number.

68494824 is an abundant number, since it is smaller than the sum of its proper divisors (117659196).

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

68494824 is a wasteful number, since it uses less digits than its factorization.

68494824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3323 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 68494824 is about 8276.1599791208. The cubic root of 68494824 is about 409.1531678443.

It can be divided in two parts, 6849482 and 4, that added together give a palindrome (6849486).

The spelling of 68494824 in words is "sixty-eight million, four hundred ninety-four thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 317 634 951 1268 1902 2536 2853 3001 3804 5706 6002 7608 9003 11412 12004 18006 22824 24008 27009 36012 54018 72024 108036 216072 951317 1902634 2853951 3805268 5707902 7610536 8561853 11415804 17123706 22831608 34247412 68494824