Base | Representation |
---|---|
bin | 100010100111… |
… | …0000000001111 |
3 | 1021010212122222 |
4 | 1011032000033 |
5 | 14121122140 |
6 | 1444525555 |
7 | 310142510 |
oct | 105160017 |
9 | 37125588 |
10 | 18145295 |
11 | a273913 |
12 | 60b08bb |
13 | 39b417c |
14 | 25a4a07 |
15 | 18d65b5 |
hex | 114e00f |
18145295 has 16 divisors (see below), whose sum is σ = 24979968. Its totient is φ = 12395040.
The previous prime is 18145289. The next prime is 18145297. The reversal of 18145295 is 59254181.
It is not a de Polignac number, because 18145295 - 24 = 18145279 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18145297) 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, 10052 + ... + 11718.
It is an arithmetic number, because the mean of its divisors is an integer number (1561248).
Almost surely, 218145295 is an apocalyptic number.
18145295 is a deficient number, since it is larger than the sum of its proper divisors (6834673).
18145295 is a wasteful number, since it uses less digits than its factorization.
18145295 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1990.
The product of its digits is 14400, while the sum is 35.
The square root of 18145295 is about 4259.7294515028. The cubic root of 18145295 is about 262.7773998729. Note that the first 3 decimals are identical.
The spelling of 18145295 in words is "eighteen million, one hundred forty-five thousand, two hundred ninety-five".
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