Base | Representation |
---|---|
bin | 1000000110101… |
… | …01011000111000 |
3 | 11201220220000100 |
4 | 10003111120320 |
5 | 114400423104 |
6 | 10425035400 |
7 | 1453562613 |
oct | 403253070 |
9 | 151826010 |
10 | 67982904 |
11 | 35413620 |
12 | 1a925b60 |
13 | 11113692 |
14 | 905917a |
15 | 5e7d139 |
hex | 40d5638 |
67982904 has 48 divisors (see below), whose sum is σ = 200860920. Its totient is φ = 20600640.
The previous prime is 67982903. The next prime is 67982909. The reversal of 67982904 is 40928976.
It is a happy number.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 67982904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67982903) by changing a digit.
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, 42127 + ... + 43710.
Almost surely, 267982904 is an apocalyptic number.
It is an amenable number.
67982904 is an abundant number, since it is smaller than the sum of its proper divisors (132878016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67982904 is a wasteful number, since it uses less digits than its factorization.
67982904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85860 (or 85853 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 45.
The square root of 67982904 is about 8245.1745888125. The cubic root of 67982904 is about 408.1313014543.
It can be divided in two parts, 67982 and 904, that added together give a palindrome (68886).
The spelling of 67982904 in words is "sixty-seven million, nine hundred eighty-two thousand, nine hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •