Base | Representation |
---|---|
bin | 111101001110… |
… | …0100101111001 |
3 | 2020101210010001 |
4 | 1322130211321 |
5 | 31204124211 |
6 | 3103553001 |
7 | 536556106 |
oct | 172344571 |
9 | 66353101 |
10 | 32098681 |
11 | 1713423a |
12 | a8bb761 |
13 | 685b304 |
14 | 4397aad |
15 | 2c40ac1 |
hex | 1e9c979 |
32098681 has 2 divisors, whose sum is σ = 32098682. Its totient is φ = 32098680.
The previous prime is 32098663. The next prime is 32098687. The reversal of 32098681 is 18689023.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21307456 + 10791225 = 4616^2 + 3285^2 .
It is an emirp because it is prime and its reverse (18689023) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 32098681 - 27 = 32098553 is a prime.
It is a super-2 number, since 2×320986812 = 2060650643879522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 32098681.
It is not a weakly prime, because it can be changed into another prime (32098687) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16049340 + 16049341.
It is an arithmetic number, because the mean of its divisors is an integer number (16049341).
Almost surely, 232098681 is an apocalyptic number.
It is an amenable number.
32098681 is a deficient number, since it is larger than the sum of its proper divisors (1).
32098681 is an equidigital number, since it uses as much as digits as its factorization.
32098681 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20736, while the sum is 37.
The square root of 32098681 is about 5665.5697859968. The cubic root of 32098681 is about 317.8062220134.
The spelling of 32098681 in words is "thirty-two million, ninety-eight thousand, six hundred eighty-one".
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