Base | Representation |
---|---|
bin | 111101100110… |
… | …0001000101101 |
3 | 2020202200020122 |
4 | 1323030020231 |
5 | 31231342141 |
6 | 3112054325 |
7 | 541326626 |
oct | 173141055 |
9 | 66680218 |
10 | 32293421 |
11 | 17257586 |
12 | a9943a5 |
13 | 68c8b44 |
14 | 4408a4d |
15 | 2c7d64b |
hex | 1ecc22d |
32293421 has 8 divisors (see below), whose sum is σ = 34244280. Its totient is φ = 30348288.
The previous prime is 32293399. The next prime is 32293423. The reversal of 32293421 is 12439223.
It can be written as a sum of positive squares in 4 ways, for example, as 8185321 + 24108100 = 2861^2 + 4910^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 32293421 - 210 = 32292397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32293423) 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 in 7 ways as a sum of consecutive naturals, for example, 17285 + ... + 19061.
It is an arithmetic number, because the mean of its divisors is an integer number (4280535).
Almost surely, 232293421 is an apocalyptic number.
It is an amenable number.
32293421 is a deficient number, since it is larger than the sum of its proper divisors (1950859).
32293421 is a wasteful number, since it uses less digits than its factorization.
32293421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2863.
The product of its digits is 2592, while the sum is 26.
The square root of 32293421 is about 5682.7300657343. The cubic root of 32293421 is about 318.4476278518.
The spelling of 32293421 in words is "thirty-two million, two hundred ninety-three thousand, four hundred twenty-one".
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