Base | Representation |
---|---|
bin | 110011110101… |
… | …111000000111 |
3 | 221120110000012 |
4 | 303311320013 |
5 | 11434340043 |
6 | 1203140435 |
7 | 223341026 |
oct | 63657007 |
9 | 27513005 |
10 | 13590023 |
11 | 7742427 |
12 | 467471b |
13 | 2a7a945 |
14 | 1b3a8bd |
15 | 12d6a18 |
hex | cf5e07 |
13590023 has 4 divisors (see below), whose sum is σ = 13665288. Its totient is φ = 13514760.
The previous prime is 13590019. The next prime is 13590029. The reversal of 13590023 is 32009531.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32009531 = 83 ⋅385657.
It is a cyclic number.
It is not a de Polignac number, because 13590023 - 22 = 13590019 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13590029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37361 + ... + 37722.
It is an arithmetic number, because the mean of its divisors is an integer number (3416322).
Almost surely, 213590023 is an apocalyptic number.
13590023 is a deficient number, since it is larger than the sum of its proper divisors (75265).
13590023 is an equidigital number, since it uses as much as digits as its factorization.
13590023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75264.
The product of its (nonzero) digits is 810, while the sum is 23.
The square root of 13590023 is about 3686.4648377545. The cubic root of 13590023 is about 238.6382545876.
Adding to 13590023 its reverse (32009531), we get a palindrome (45599554).
The spelling of 13590023 in words is "thirteen million, five hundred ninety thousand, twenty-three".
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