Base | Representation |
---|---|
bin | 1000111010110… |
… | …00011100100000 |
3 | 12012202210122000 |
4 | 10131120130200 |
5 | 123122424133 |
6 | 11231244000 |
7 | 1565612235 |
oct | 435303440 |
9 | 165683560 |
10 | 74811168 |
11 | 39257813 |
12 | 21079600 |
13 | 12664683 |
14 | 9d1578c |
15 | 687b413 |
hex | 4758720 |
74811168 has 48 divisors (see below), whose sum is σ = 218201760. Its totient is φ = 24936768.
The previous prime is 74811167. The next prime is 74811173. The reversal of 74811168 is 86111847.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (74811167) 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 7 ways as a sum of consecutive naturals, for example, 42430 + ... + 44157.
It is an arithmetic number, because the mean of its divisors is an integer number (4545870).
Almost surely, 274811168 is an apocalyptic number.
It is an amenable number.
74811168 is an abundant number, since it is smaller than the sum of its proper divisors (143390592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74811168 is a wasteful number, since it uses less digits than its factorization.
74811168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86606 (or 86592 counting only the distinct ones).
The product of its digits is 10752, while the sum is 36.
The square root of 74811168 is about 8649.3449462951. The cubic root of 74811168 is about 421.3621083625.
It can be divided in two parts, 7481 and 1168, that added together give a square (8649 = 932).
The spelling of 74811168 in words is "seventy-four million, eight hundred eleven thousand, one hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •