Base | Representation |
---|---|
bin | 1000100000111… |
… | …01100111100110 |
3 | 11222101201222100 |
4 | 10100131213212 |
5 | 121241040421 |
6 | 11030512530 |
7 | 1525045440 |
oct | 420354746 |
9 | 158351870 |
10 | 71424486 |
11 | 37354301 |
12 | 1bb05746 |
13 | 11a4a013 |
14 | 96b3490 |
15 | 640cc26 |
hex | 441d9e6 |
71424486 has 48 divisors (see below), whose sum is σ = 177465600. Its totient is φ = 20337264.
The previous prime is 71424449. The next prime is 71424503. The reversal of 71424486 is 68442417.
It is a self number, because there is not a number n which added to its sum of digits gives 71424486.
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 44445 + ... + 46023.
It is an arithmetic number, because the mean of its divisors is an integer number (3697200).
Almost surely, 271424486 is an apocalyptic number.
71424486 is an abundant number, since it is smaller than the sum of its proper divisors (106041114).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71424486 is a wasteful number, since it uses less digits than its factorization.
71424486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1953 (or 1950 counting only the distinct ones).
The product of its digits is 43008, while the sum is 36.
The square root of 71424486 is about 8451.3008466153. The cubic root of 71424486 is about 414.9053560726.
It can be divided in two parts, 7142 and 4486, that added together give a triangular number (11628 = T152).
The spelling of 71424486 in words is "seventy-one million, four hundred twenty-four thousand, four hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •