Base | Representation |
---|---|
bin | 1001100101101… |
… | …1110101101001 |
3 | 2210200111021211 |
4 | 2121123311221 |
5 | 40244101212 |
6 | 3554033121 |
7 | 665611321 |
oct | 231336551 |
9 | 83614254 |
10 | 40222057 |
11 | 20782477 |
12 | 115787a1 |
13 | 8443945 |
14 | 54b0281 |
15 | 37e79a7 |
hex | 265bd69 |
40222057 has 2 divisors, whose sum is σ = 40222058. Its totient is φ = 40222056.
The previous prime is 40222033. The next prime is 40222067. The reversal of 40222057 is 75022204.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24413481 + 15808576 = 4941^2 + 3976^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-40222057 is a prime.
It is a super-2 number, since 2×402220572 = 3235627738622498, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (40222067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111028 + 20111029.
It is an arithmetic number, because the mean of its divisors is an integer number (20111029).
Almost surely, 240222057 is an apocalyptic number.
It is an amenable number.
40222057 is a deficient number, since it is larger than the sum of its proper divisors (1).
40222057 is an equidigital number, since it uses as much as digits as its factorization.
40222057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1120, while the sum is 22.
The square root of 40222057 is about 6342.0861709693. The cubic root of 40222057 is about 342.6268754021.
The spelling of 40222057 in words is "forty million, two hundred twenty-two thousand, fifty-seven".
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