Base | Representation |
---|---|
bin | 1000111010111… |
… | …01100100000000 |
3 | 12012210212101022 |
4 | 10131131210000 |
5 | 123124112003 |
6 | 11231525012 |
7 | 1566030320 |
oct | 435354400 |
9 | 165725338 |
10 | 74832128 |
11 | 39271538 |
12 | 21089768 |
13 | 12671087 |
14 | 9d1d280 |
15 | 6882738 |
hex | 475d900 |
74832128 has 36 divisors (see below), whose sum is σ = 170714880. Its totient is φ = 32070144.
The previous prime is 74832101. The next prime is 74832137. The reversal of 74832128 is 82123847.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 19088 + ... + 22671.
It is an arithmetic number, because the mean of its divisors is an integer number (4742080).
Almost surely, 274832128 is an apocalyptic number.
It is an amenable number.
74832128 is an abundant number, since it is smaller than the sum of its proper divisors (95882752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74832128 is an equidigital number, since it uses as much as digits as its factorization.
74832128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41782 (or 41768 counting only the distinct ones).
The product of its digits is 21504, while the sum is 35.
The square root of 74832128 is about 8650.5565138897. The cubic root of 74832128 is about 421.4014559865.
The spelling of 74832128 in words is "seventy-four million, eight hundred thirty-two thousand, one hundred twenty-eight".
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