Base | Representation |
---|---|
bin | 110110010011… |
… | …0001100111110 |
3 | 1222120022210111 |
4 | 1230212030332 |
5 | 24241434110 |
6 | 2454100234 |
7 | 463655113 |
oct | 154461476 |
9 | 58508714 |
10 | 28468030 |
11 | 150844a8 |
12 | 964a67a |
13 | 5b898b6 |
14 | 3ad090a |
15 | 2774e8a |
hex | 1b2633e |
28468030 has 32 divisors (see below), whose sum is σ = 54665280. Its totient is φ = 10636800.
The previous prime is 28468019. The next prime is 28468039. The reversal of 28468030 is 3086482.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 28467983 and 28468001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28468039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25116 + ... + 26224.
It is an arithmetic number, because the mean of its divisors is an integer number (1708290).
Almost surely, 228468030 is an apocalyptic number.
28468030 is a deficient number, since it is larger than the sum of its proper divisors (26197250).
28468030 is a wasteful number, since it uses less digits than its factorization.
28468030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1284.
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 28468030 is about 5335.5440209973. The cubic root of 28468030 is about 305.3414790430.
The spelling of 28468030 in words is "twenty-eight million, four hundred sixty-eight thousand, thirty".
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