Base | Representation |
---|---|
bin | 11010111000110… |
… | …10101010100001 |
3 | 120201102021121221 |
4 | 31130122222201 |
5 | 430220144212 |
6 | 34214215041 |
7 | 5406112042 |
oct | 1534325241 |
9 | 521367557 |
10 | 225553057 |
11 | 106356394 |
12 | 63654481 |
13 | 37963162 |
14 | 21d548c9 |
15 | 14c05807 |
hex | d71aaa1 |
225553057 has 2 divisors, whose sum is σ = 225553058. Its totient is φ = 225553056.
The previous prime is 225552997. The next prime is 225553063. The reversal of 225553057 is 750355522.
225553057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 222487056 + 3066001 = 14916^2 + 1751^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-225553057 is a prime.
It is not a weakly prime, because it can be changed into another prime (225553357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112776528 + 112776529.
It is an arithmetic number, because the mean of its divisors is an integer number (112776529).
Almost surely, 2225553057 is an apocalyptic number.
It is an amenable number.
225553057 is a deficient number, since it is larger than the sum of its proper divisors (1).
225553057 is an equidigital number, since it uses as much as digits as its factorization.
225553057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 52500, while the sum is 34.
The square root of 225553057 is about 15018.4239186407. The cubic root of 225553057 is about 608.7181331921.
The spelling of 225553057 in words is "two hundred twenty-five million, five hundred fifty-three thousand, fifty-seven".
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