Base | Representation |
---|---|
bin | 1000111101110… |
… | …10100011000010 |
3 | 12020112012211110 |
4 | 10132322203002 |
5 | 123223303434 |
6 | 11244024150 |
7 | 1602204603 |
oct | 436724302 |
9 | 166465743 |
10 | 75212994 |
11 | 395016aa |
12 | 21232056 |
13 | 1277553c |
14 | 9dbbdaa |
15 | 690a4e9 |
hex | 47ba8c2 |
75212994 has 32 divisors (see below), whose sum is σ = 153538560. Its totient is φ = 24556752.
The previous prime is 75212993. The next prime is 75212999. The reversal of 75212994 is 49921257.
Its product of digits (45360) is a multiple of the sum of its prime divisors (1134).
It is not an unprimeable number, because it can be changed into a prime (75212993) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 89227 + ... + 90065.
It is an arithmetic number, because the mean of its divisors is an integer number (4798080).
Almost surely, 275212994 is an apocalyptic number.
75212994 is an abundant number, since it is smaller than the sum of its proper divisors (78325566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75212994 is a wasteful number, since it uses less digits than its factorization.
75212994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1134.
The product of its digits is 45360, while the sum is 39.
The square root of 75212994 is about 8672.5425337671. The cubic root of 75212994 is about 422.1151688836.
The spelling of 75212994 in words is "seventy-five million, two hundred twelve thousand, nine hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •