Base | Representation |
---|---|
bin | 110110011010… |
… | …1100101011010 |
3 | 1222200112012222 |
4 | 1230311211122 |
5 | 24300443114 |
6 | 2455304042 |
7 | 464336600 |
oct | 154654532 |
9 | 58615188 |
10 | 28531034 |
11 | 15117874 |
12 | 967b022 |
13 | 5bac48c |
14 | 3b09870 |
15 | 278898e |
hex | 1b3595a |
28531034 has 24 divisors (see below), whose sum is σ = 49986720. Its totient is φ = 12177816.
The previous prime is 28530979. The next prime is 28531051. The reversal of 28531034 is 43013582.
It is a super-2 number, since 2×285310342 = 1628039802218312, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28530994 and 28531012.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33587 + ... + 34425.
It is an arithmetic number, because the mean of its divisors is an integer number (2082780).
Almost surely, 228531034 is an apocalyptic number.
28531034 is a deficient number, since it is larger than the sum of its proper divisors (21455686).
28531034 is a wasteful number, since it uses less digits than its factorization.
28531034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1202 (or 1195 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 28531034 is about 5341.4449355956. Note that the first 3 decimals coincide. The cubic root of 28531034 is about 305.5665684968.
The spelling of 28531034 in words is "twenty-eight million, five hundred thirty-one thousand, thirty-four".
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