Base | Representation |
---|---|
bin | 100011111010… |
… | …0000000001110 |
3 | 1022102102100202 |
4 | 1013310000032 |
5 | 14304401410 |
6 | 1511253502 |
7 | 316004024 |
oct | 107640016 |
9 | 38372322 |
10 | 18825230 |
11 | a698746 |
12 | 637a292 |
13 | 3b917b8 |
14 | 2700714 |
15 | 19bcca5 |
hex | 11f400e |
18825230 has 32 divisors (see below), whose sum is σ = 35277984. Its totient is φ = 7226496.
The previous prime is 18825227. The next prime is 18825241. The reversal of 18825230 is 3252881.
It is a junction number, because it is equal to n+sod(n) for n = 18825193 and 18825202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30404 + ... + 31016.
It is an arithmetic number, because the mean of its divisors is an integer number (1102437).
Almost surely, 218825230 is an apocalyptic number.
18825230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18825230 is a deficient number, since it is larger than the sum of its proper divisors (16452754).
18825230 is a wasteful number, since it uses less digits than its factorization.
18825230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740.
The product of its (nonzero) digits is 3840, while the sum is 29.
The square root of 18825230 is about 4338.8051350573. The cubic root of 18825230 is about 266.0194739544.
The spelling of 18825230 in words is "eighteen million, eight hundred twenty-five thousand, two hundred thirty".
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