Base | Representation |
---|---|
bin | 11011001011101… |
… | …11101000000111 |
3 | 120220002011200222 |
4 | 31211313220013 |
5 | 431333442413 |
6 | 34343254555 |
7 | 5436142235 |
oct | 1545675007 |
9 | 526064628 |
10 | 228030983 |
11 | 107799064 |
12 | 6444a45b |
13 | 3831cc9b |
14 | 223db955 |
15 | 15044b08 |
hex | d977a07 |
228030983 has 4 divisors (see below), whose sum is σ = 228206760. Its totient is φ = 227855208.
The previous prime is 228030967. The next prime is 228031007. The reversal of 228030983 is 389030822.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 228030983 - 24 = 228030967 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 (228036983) 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, 85928 + ... + 88541.
It is an arithmetic number, because the mean of its divisors is an integer number (57051690).
Almost surely, 2228030983 is an apocalyptic number.
228030983 is a deficient number, since it is larger than the sum of its proper divisors (175777).
228030983 is a wasteful number, since it uses less digits than its factorization.
228030983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175776.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 228030983 is about 15100.6947853402. The cubic root of 228030983 is about 610.9391455005.
The spelling of 228030983 in words is "two hundred twenty-eight million, thirty thousand, nine hundred eighty-three".
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