Base | Representation |
---|---|
bin | 111101110110… |
… | …1100101000001 |
3 | 2021000122010222 |
4 | 1323231211001 |
5 | 31300233101 |
6 | 3115032425 |
7 | 542440163 |
oct | 173554501 |
9 | 67018128 |
10 | 32430401 |
11 | 17340493 |
12 | aa3b715 |
13 | 69462b3 |
14 | 4442933 |
15 | 2ca901b |
hex | 1eed941 |
32430401 has 4 divisors (see below), whose sum is σ = 32505732. Its totient is φ = 32355072.
The previous prime is 32430379. The next prime is 32430413. The reversal of 32430401 is 10403423.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10403423 = 53 ⋅196291.
It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 31348801 = 1040^2 + 5599^2 .
It is a cyclic number.
It is not a de Polignac number, because 32430401 - 222 = 28236097 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 32430401.
It is not an unprimeable number, because it can be changed into a prime (32430451) 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, 37016 + ... + 37881.
It is an arithmetic number, because the mean of its divisors is an integer number (8126433).
Almost surely, 232430401 is an apocalyptic number.
It is an amenable number.
32430401 is a deficient number, since it is larger than the sum of its proper divisors (75331).
32430401 is an equidigital number, since it uses as much as digits as its factorization.
32430401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75330.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 32430401 is about 5694.7696178160. The cubic root of 32430401 is about 318.8972491011.
Adding to 32430401 its reverse (10403423), we get a palindrome (42833824).
The spelling of 32430401 in words is "thirty-two million, four hundred thirty thousand, four hundred one".
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