Base | Representation |
---|---|
bin | 110110010010… |
… | …0001110001010 |
3 | 1222112220122220 |
4 | 1230210032022 |
5 | 24241204124 |
6 | 2453554510 |
7 | 463622340 |
oct | 154441612 |
9 | 58486586 |
10 | 28459914 |
11 | 1507939a |
12 | 9645a36 |
13 | 5b85cb2 |
14 | 3acb990 |
15 | 2772879 |
hex | 1b2438a |
28459914 has 32 divisors (see below), whose sum is σ = 65235456. Its totient is φ = 8108400.
The previous prime is 28459913. The next prime is 28459939. The reversal of 28459914 is 41995482.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28459913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18889 + ... + 20339.
It is an arithmetic number, because the mean of its divisors is an integer number (2038608).
Almost surely, 228459914 is an apocalyptic number.
28459914 is an abundant number, since it is smaller than the sum of its proper divisors (36775542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28459914 is a wasteful number, since it uses less digits than its factorization.
28459914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1930.
The product of its digits is 103680, while the sum is 42.
The square root of 28459914 is about 5334.7834070373. The cubic root of 28459914 is about 305.3124595079.
The spelling of 28459914 in words is "twenty-eight million, four hundred fifty-nine thousand, nine hundred fourteen".
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