Base | Representation |
---|---|
bin | 11001011001011… |
… | …01111010010001 |
3 | 112211220000020212 |
4 | 30230231322101 |
5 | 414020031402 |
6 | 33050213505 |
7 | 5164613021 |
oct | 1454557221 |
9 | 484800225 |
10 | 213048977 |
11 | aa295939 |
12 | 5b424295 |
13 | 351a58ab |
14 | 2041ba81 |
15 | 13a85952 |
hex | cb2de91 |
213048977 has 8 divisors (see below), whose sum is σ = 224065536. Its totient is φ = 202178592.
The previous prime is 213048959. The next prime is 213048989. The reversal of 213048977 is 779840312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 213048977 - 28 = 213048721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (213008977) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33548 + ... + 39389.
It is an arithmetic number, because the mean of its divisors is an integer number (28008192).
Almost surely, 2213048977 is an apocalyptic number.
It is an amenable number.
213048977 is a deficient number, since it is larger than the sum of its proper divisors (11016559).
213048977 is a wasteful number, since it uses less digits than its factorization.
213048977 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73087.
The product of its (nonzero) digits is 84672, while the sum is 41.
The square root of 213048977 is about 14596.1973472545. The cubic root of 213048977 is about 597.2550323683.
The spelling of 213048977 in words is "two hundred thirteen million, forty-eight thousand, nine hundred seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •