Base | Representation |
---|---|
bin | 11101001101100… |
… | …10111101000001 |
3 | 122002002220001102 |
4 | 32212302331001 |
5 | 1000213114301 |
6 | 40152144145 |
7 | 6033620663 |
oct | 1646627501 |
9 | 562086042 |
10 | 245051201 |
11 | 11636365a |
12 | 6a098055 |
13 | 3b9cc015 |
14 | 2478c533 |
15 | 167a7b6b |
hex | e9b2f41 |
245051201 has 2 divisors, whose sum is σ = 245051202. Its totient is φ = 245051200.
The previous prime is 245051161. The next prime is 245051203. The reversal of 245051201 is 102150542.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 244891201 + 160000 = 15649^2 + 400^2 .
It is a cyclic number.
It is not a de Polignac number, because 245051201 - 210 = 245050177 is a prime.
It is a super-2 number, since 2×2450512012 = 120100182223084802, which contains 22 as substring.
Together with 245051203, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (245051203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122525600 + 122525601.
It is an arithmetic number, because the mean of its divisors is an integer number (122525601).
Almost surely, 2245051201 is an apocalyptic number.
It is an amenable number.
245051201 is a deficient number, since it is larger than the sum of its proper divisors (1).
245051201 is an equidigital number, since it uses as much as digits as its factorization.
245051201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 245051201 is about 15654.1113130066. Note that the first 3 decimals coincide. The cubic root of 245051201 is about 625.7760608218.
The spelling of 245051201 in words is "two hundred forty-five million, fifty-one thousand, two hundred one".
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