Base | Representation |
---|---|
bin | 100110110011… |
… | …0010101100001 |
3 | 1102021111010121 |
4 | 1031212111201 |
5 | 20201421423 |
6 | 2004000241 |
7 | 334622311 |
oct | 115462541 |
9 | 42244117 |
10 | 20342113 |
11 | 10534370 |
12 | 6990081 |
13 | 42a306c |
14 | 29b7441 |
15 | 1bbc45d |
hex | 1366561 |
20342113 has 4 divisors (see below), whose sum is σ = 22191408. Its totient is φ = 18492820.
The previous prime is 20342093. The next prime is 20342123. The reversal of 20342113 is 31124302.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20342113 is a prime.
It is a super-2 number, since 2×203421132 = 827603122609538, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20342123) 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, 924631 + ... + 924652.
It is an arithmetic number, because the mean of its divisors is an integer number (5547852).
Almost surely, 220342113 is an apocalyptic number.
It is an amenable number.
20342113 is a deficient number, since it is larger than the sum of its proper divisors (1849295).
20342113 is a wasteful number, since it uses less digits than its factorization.
20342113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1849294.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 20342113 is about 4510.2231652103. The cubic root of 20342113 is about 272.9807488650.
Adding to 20342113 its reverse (31124302), we get a palindrome (51466415).
The spelling of 20342113 in words is "twenty million, three hundred forty-two thousand, one hundred thirteen".
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