Base | Representation |
---|---|
bin | 11001011010010… |
… | …01000111111010 |
3 | 112212002200011012 |
4 | 30231021013322 |
5 | 414032113232 |
6 | 33052433522 |
7 | 5165556005 |
oct | 1455110772 |
9 | 485080135 |
10 | 213160442 |
11 | aa361660 |
12 | 5b4788a2 |
13 | 35214551 |
14 | 2044a53c |
15 | 13aa89b2 |
hex | cb491fa |
213160442 has 32 divisors (see below), whose sum is σ = 353808000. Its totient is φ = 95515200.
The previous prime is 213160439. The next prime is 213160447. The reversal of 213160442 is 244061312.
213160442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (213160447) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792284 + ... + 792552.
It is an arithmetic number, because the mean of its divisors is an integer number (11056500).
Almost surely, 2213160442 is an apocalyptic number.
213160442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
213160442 is a deficient number, since it is larger than the sum of its proper divisors (140647558).
213160442 is a wasteful number, since it uses less digits than its factorization.
213160442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 662.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 213160442 is about 14600.0151369785. The cubic root of 213160442 is about 597.3591734073.
The spelling of 213160442 in words is "two hundred thirteen million, one hundred sixty thousand, four hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •