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67996652 = 22165710259
BaseRepresentation
bin1000000110110…
…00101111101100
311201221120212112
410003120233230
5114401343102
610425223152
71453650653
oct403305754
9151846775
1067996652
1135422989
121a931ab8
1311119a09
14906019a
155e82252
hex40d8bec

67996652 has 12 divisors (see below), whose sum is σ = 119077560. Its totient is φ = 33974496.

The previous prime is 67996637. The next prime is 67996679. The reversal of 67996652 is 25669976.

It is a self number, because there is not a number n which added to its sum of digits gives 67996652.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1499 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (9923130).

Almost surely, 267996652 is an apocalyptic number.

It is an amenable number.

67996652 is a deficient number, since it is larger than the sum of its proper divisors (51080908).

67996652 is a wasteful number, since it uses less digits than its factorization.

67996652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11920 (or 11918 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 67996652 is about 8246.0082464184. The cubic root of 67996652 is about 408.1588113655.

The spelling of 67996652 in words is "sixty-seven million, nine hundred ninety-six thousand, six hundred fifty-two".

Divisors: 1 2 4 1657 3314 6628 10259 20518 41036 16999163 33998326 67996652