Base | Representation |
---|---|
bin | 111110001110… |
… | …1111010001001 |
3 | 2021101200200211 |
4 | 1330131322021 |
5 | 31323101421 |
6 | 3123201121 |
7 | 544223263 |
oct | 174357211 |
9 | 67350624 |
10 | 32628361 |
11 | 17466197 |
12 | ab161a1 |
13 | 69b542c |
14 | 4494b33 |
15 | 2ce79e1 |
hex | 1f1de89 |
32628361 has 4 divisors (see below), whose sum is σ = 32641092. Its totient is φ = 32615632.
The previous prime is 32628347. The next prime is 32628367. The reversal of 32628361 is 16382623.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16382623 = 83 ⋅197381.
It can be written as a sum of positive squares in 2 ways, for example, as 2157961 + 30470400 = 1469^2 + 5520^2 .
It is a cyclic number.
It is not a de Polignac number, because 32628361 - 211 = 32626313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (32628367) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030 + ... + 8143.
It is an arithmetic number, because the mean of its divisors is an integer number (8160273).
Almost surely, 232628361 is an apocalyptic number.
It is an amenable number.
32628361 is a deficient number, since it is larger than the sum of its proper divisors (12731).
32628361 is an equidigital number, since it uses as much as digits as its factorization.
32628361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12730.
The product of its digits is 10368, while the sum is 31.
The square root of 32628361 is about 5712.1240357681. The cubic root of 32628361 is about 319.5447987450.
The spelling of 32628361 in words is "thirty-two million, six hundred twenty-eight thousand, three hundred sixty-one".
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