Base | Representation |
---|---|
bin | 1000001101011100001001 |
3 | 11001100021011 |
4 | 20031130021 |
5 | 1022332301 |
6 | 114043521 |
7 | 24202432 |
oct | 10153411 |
9 | 4040234 |
10 | 2152201 |
11 | 123aa87 |
12 | 8795a1 |
13 | 5a47bc |
14 | 400489 |
15 | 2c7a51 |
hex | 20d709 |
2152201 has 2 divisors, whose sum is σ = 2152202. Its totient is φ = 2152200.
The previous prime is 2152169. The next prime is 2152211. The reversal of 2152201 is 1022512.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1550025 + 602176 = 1245^2 + 776^2 .
It is a cyclic number.
It is not a de Polignac number, because 2152201 - 25 = 2152169 is a prime.
It is not a weakly prime, because it can be changed into another prime (2152211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076100 + 1076101.
It is an arithmetic number, because the mean of its divisors is an integer number (1076101).
22152201 is an apocalyptic number.
It is an amenable number.
2152201 is a deficient number, since it is larger than the sum of its proper divisors (1).
2152201 is an equidigital number, since it uses as much as digits as its factorization.
2152201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 2152201 is about 1467.0381726458. The cubic root of 2152201 is about 129.1103156670.
Adding to 2152201 its reverse (1022512), we get a palindrome (3174713).
The spelling of 2152201 in words is "two million, one hundred fifty-two thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •