Base | Representation |
---|---|
bin | 1000111001110… |
… | …11001001001100 |
3 | 12012112200222211 |
4 | 10130323021030 |
5 | 123110104043 |
6 | 11224520204 |
7 | 1564602310 |
oct | 434731114 |
9 | 165480884 |
10 | 74691148 |
11 | 39185624 |
12 | 21020064 |
13 | 12621b5c |
14 | 9cc3b40 |
15 | 6855a9d |
hex | 473b24c |
74691148 has 24 divisors (see below), whose sum is σ = 151490304. Its totient is φ = 31558800.
The previous prime is 74691137. The next prime is 74691157. The reversal of 74691148 is 84119647.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 74691148.
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 7 ways as a sum of consecutive naturals, for example, 16798 + ... + 20773.
It is an arithmetic number, because the mean of its divisors is an integer number (6312096).
Almost surely, 274691148 is an apocalyptic number.
It is an amenable number.
74691148 is an abundant number, since it is smaller than the sum of its proper divisors (76799156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74691148 is a wasteful number, since it uses less digits than its factorization.
74691148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37653 (or 37651 counting only the distinct ones).
The product of its digits is 48384, while the sum is 40.
The square root of 74691148 is about 8642.4040636851. The cubic root of 74691148 is about 421.1366565127.
The spelling of 74691148 in words is "seventy-four million, six hundred ninety-one thousand, one hundred forty-eight".
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