Base | Representation |
---|---|
bin | 11101001111001… |
… | …10000001001001 |
3 | 122002111111222002 |
4 | 32213212001021 |
5 | 1000241312421 |
6 | 40200440345 |
7 | 6035451533 |
oct | 1647460111 |
9 | 562444862 |
10 | 245260361 |
11 | 116496815 |
12 | 6a1790b5 |
13 | 3ba73298 |
14 | 24804853 |
15 | 167e9b0b |
hex | e9e6049 |
245260361 has 2 divisors, whose sum is σ = 245260362. Its totient is φ = 245260360.
The previous prime is 245260333. The next prime is 245260369. The reversal of 245260361 is 163062542.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 244734736 + 525625 = 15644^2 + 725^2 .
It is a cyclic number.
It is not a de Polignac number, because 245260361 - 26 = 245260297 is a prime.
It is not a weakly prime, because it can be changed into another prime (245260369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122630180 + 122630181.
It is an arithmetic number, because the mean of its divisors is an integer number (122630181).
Almost surely, 2245260361 is an apocalyptic number.
It is an amenable number.
245260361 is a deficient number, since it is larger than the sum of its proper divisors (1).
245260361 is an equidigital number, since it uses as much as digits as its factorization.
245260361 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8640, while the sum is 29.
The square root of 245260361 is about 15660.7905611435. The cubic root of 245260361 is about 625.9540509711.
The spelling of 245260361 in words is "two hundred forty-five million, two hundred sixty thousand, three hundred sixty-one".
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