Base | Representation |
---|---|
bin | 110110110110… |
… | …111001111001 |
3 | 1000001121120020 |
4 | 312312321321 |
5 | 12140140130 |
6 | 1232121053 |
7 | 233143065 |
oct | 66667171 |
9 | 30047506 |
10 | 14380665 |
11 | 8132452 |
12 | 4996189 |
13 | 2c96790 |
14 | 1ca4aa5 |
15 | 13e0e10 |
hex | db6e79 |
14380665 has 32 divisors (see below), whose sum is σ = 25643520. Its totient is φ = 6832896.
The previous prime is 14380643. The next prime is 14380669. The reversal of 14380665 is 56608341.
It is not a de Polignac number, because 14380665 - 25 = 14380633 is a prime.
It is not an unprimeable number, because it can be changed into a prime (14380669) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4384 + ... + 6926.
It is an arithmetic number, because the mean of its divisors is an integer number (801360).
Almost surely, 214380665 is an apocalyptic number.
14380665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
14380665 is a deficient number, since it is larger than the sum of its proper divisors (11262855).
14380665 is a wasteful number, since it uses less digits than its factorization.
14380665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2593.
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 14380665 is about 3792.1847265132. The cubic root of 14380665 is about 243.1791427407.
It can be divided in two parts, 143 and 80665, that added together give a palindrome (80808).
The spelling of 14380665 in words is "fourteen million, three hundred eighty thousand, six hundred sixty-five".
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