Base | Representation |
---|---|
bin | 110110010100… |
… | …0111010111110 |
3 | 1222120220001221 |
4 | 1230220322332 |
5 | 24242313131 |
6 | 2454223554 |
7 | 464032432 |
oct | 154507276 |
9 | 58526057 |
10 | 28479166 |
11 | 15091901 |
12 | 9654bba |
13 | 5b919a1 |
14 | 3ad49c2 |
15 | 2778411 |
hex | 1b28ebe |
28479166 has 8 divisors (see below), whose sum is σ = 42755760. Its totient is φ = 14227248.
The previous prime is 28479163. The next prime is 28479167. The reversal of 28479166 is 66197482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×284791662 = 1622125792111112, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28479161) 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, 2946 + ... + 8101.
It is an arithmetic number, because the mean of its divisors is an integer number (5344470).
Almost surely, 228479166 is an apocalyptic number.
28479166 is a deficient number, since it is larger than the sum of its proper divisors (14276594).
28479166 is a wasteful number, since it uses less digits than its factorization.
28479166 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12338.
The product of its digits is 145152, while the sum is 43.
The square root of 28479166 is about 5336.5874863999. The cubic root of 28479166 is about 305.3812879027.
The spelling of 28479166 in words is "twenty-eight million, four hundred seventy-nine thousand, one hundred sixty-six".
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