Base | Representation |
---|---|
bin | 1001111111111… |
… | …01001010101010 |
3 | 12211211021011000 |
4 | 10333331022222 |
5 | 132432440344 |
6 | 12153415430 |
7 | 2035630665 |
oct | 477751252 |
9 | 184737130 |
10 | 83874474 |
11 | 43388152 |
12 | 2410a576 |
13 | 144b8a88 |
14 | b1d46dc |
15 | 756ba69 |
hex | 4ffd2aa |
83874474 has 32 divisors (see below), whose sum is σ = 196200000. Its totient is φ = 26486352.
The previous prime is 83874463. The next prime is 83874487. The reversal of 83874474 is 47447838.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39849 + ... + 41900.
It is an arithmetic number, because the mean of its divisors is an integer number (6131250).
Almost surely, 283874474 is an apocalyptic number.
83874474 is an abundant number, since it is smaller than the sum of its proper divisors (112325526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83874474 is a wasteful number, since it uses less digits than its factorization.
83874474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81779 (or 81773 counting only the distinct ones).
The product of its digits is 602112, while the sum is 45.
The square root of 83874474 is about 9158.3008249347. The cubic root of 83874474 is about 437.7336530424.
It can be divided in two parts, 83874 and 474, that added together give a palindrome (84348).
The spelling of 83874474 in words is "eighty-three million, eight hundred seventy-four thousand, four hundred seventy-four".
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