Base | Representation |
---|---|
bin | 100110001011… |
… | …0010100001001 |
3 | 1101122211112001 |
4 | 1030112110021 |
5 | 20110424340 |
6 | 1552551001 |
7 | 332055601 |
oct | 114262411 |
9 | 41584461 |
10 | 20014345 |
11 | 1033008a |
12 | 6852461 |
13 | 41b9b10 |
14 | 292dc01 |
15 | 1b5529a |
hex | 1316509 |
20014345 has 16 divisors (see below), whose sum is σ = 25966080. Its totient is φ = 14721984.
The previous prime is 20014331. The next prime is 20014349. The reversal of 20014345 is 54341002.
20014345 is nontrivially palindromic in base 8.
It is a cyclic number.
It is not a de Polignac number, because 20014345 - 27 = 20014217 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20014349) 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, 23436 + ... + 24274.
It is an arithmetic number, because the mean of its divisors is an integer number (1622880).
Almost surely, 220014345 is an apocalyptic number.
It is an amenable number.
20014345 is a deficient number, since it is larger than the sum of its proper divisors (5951735).
20014345 is a wasteful number, since it uses less digits than its factorization.
20014345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1224.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 20014345 is about 4473.7394872746. The cubic root of 20014345 is about 271.5066433510.
Adding to 20014345 its reverse (54341002), we get a palindrome (74355347).
The spelling of 20014345 in words is "twenty million, fourteen thousand, three hundred forty-five".
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