Base | Representation |
---|---|
bin | 110110001110… |
… | …1101111111010 |
3 | 1222111120021222 |
4 | 1230131233322 |
5 | 24234332102 |
6 | 2453232042 |
7 | 463452134 |
oct | 154355772 |
9 | 58446258 |
10 | 28433402 |
11 | 15060488 |
12 | 9632622 |
13 | 5b76bca |
14 | 3ac2054 |
15 | 2769aa2 |
hex | 1b1dbfa |
28433402 has 8 divisors (see below), whose sum is σ = 43557696. Its totient is φ = 13914172.
The previous prime is 28433389. The next prime is 28433407. The reversal of 28433402 is 20433482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (28433407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151148 + ... + 151335.
It is an arithmetic number, because the mean of its divisors is an integer number (5444712).
Almost surely, 228433402 is an apocalyptic number.
28433402 is a deficient number, since it is larger than the sum of its proper divisors (15124294).
28433402 is a wasteful number, since it uses less digits than its factorization.
28433402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 302532.
The product of its (nonzero) digits is 4608, while the sum is 26.
The square root of 28433402 is about 5332.2980036753. The cubic root of 28433402 is about 305.2176248491.
Adding to 28433402 its reverse (20433482), we get a palindrome (48866884).
The spelling of 28433402 in words is "twenty-eight million, four hundred thirty-three thousand, four hundred two".
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