Base | Representation |
---|---|
bin | 11001010010101… |
… | …01011110010001 |
3 | 112210012222011111 |
4 | 30221111132101 |
5 | 413303144244 |
6 | 33015213321 |
7 | 5154231262 |
oct | 1451253621 |
9 | 483188144 |
10 | 212162449 |
11 | a983a874 |
12 | 5b077241 |
13 | 34c55215 |
14 | 2026a969 |
15 | 1395ce34 |
hex | ca55791 |
212162449 has 2 divisors, whose sum is σ = 212162450. Its totient is φ = 212162448.
The previous prime is 212162443. The next prime is 212162471. The reversal of 212162449 is 944261212.
212162449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 134722449 + 77440000 = 11607^2 + 8800^2 .
It is a cyclic number.
It is not a de Polignac number, because 212162449 - 215 = 212129681 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 212162449.
It is not a weakly prime, because it can be changed into another prime (212162443) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106081224 + 106081225.
It is an arithmetic number, because the mean of its divisors is an integer number (106081225).
Almost surely, 2212162449 is an apocalyptic number.
It is an amenable number.
212162449 is a deficient number, since it is larger than the sum of its proper divisors (1).
212162449 is an equidigital number, since it uses as much as digits as its factorization.
212162449 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6912, while the sum is 31.
The square root of 212162449 is about 14565.7972318717. The cubic root of 212162449 is about 596.4254587518.
The spelling of 212162449 in words is "two hundred twelve million, one hundred sixty-two thousand, four hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •