Base | Representation |
---|---|
bin | 100010100111… |
… | …0101111010110 |
3 | 1021011000210122 |
4 | 1011032233112 |
5 | 14121221220 |
6 | 1444551542 |
7 | 310154345 |
oct | 105165726 |
9 | 37130718 |
10 | 18148310 |
11 | a276104 |
12 | 60b25b2 |
13 | 39b565b |
14 | 25a5b5c |
15 | 18d7425 |
hex | 114ebd6 |
18148310 has 16 divisors (see below), whose sum is σ = 33128352. Its totient is φ = 7156800.
The previous prime is 18148309. The next prime is 18148331. The reversal of 18148310 is 1384181.
It is a super-2 number, since 2×181483102 = 658722311712200, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 18148310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12071 + ... + 13490.
It is an arithmetic number, because the mean of its divisors is an integer number (2070522).
Almost surely, 218148310 is an apocalyptic number.
18148310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18148310 is a deficient number, since it is larger than the sum of its proper divisors (14980042).
18148310 is a wasteful number, since it uses less digits than its factorization.
18148310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25639.
The product of its (nonzero) digits is 768, while the sum is 26.
The square root of 18148310 is about 4260.0833325183. The cubic root of 18148310 is about 262.7919533239.
The spelling of 18148310 in words is "eighteen million, one hundred forty-eight thousand, three hundred ten".
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