Base | Representation |
---|---|
bin | 100110001011… |
… | …0010001001010 |
3 | 1101122211020222 |
4 | 1030112101022 |
5 | 20110423104 |
6 | 1552550042 |
7 | 332055206 |
oct | 114262112 |
9 | 41584228 |
10 | 20014154 |
11 | 1032aa26 |
12 | 6852322 |
13 | 41b99c4 |
14 | 292db06 |
15 | 1b551be |
hex | 131644a |
20014154 has 4 divisors (see below), whose sum is σ = 30021234. Its totient is φ = 10007076.
The previous prime is 20014153. The next prime is 20014171. The reversal of 20014154 is 45141002.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45141002 = 2 ⋅22570501.
It can be written as a sum of positive squares in only one way, i.e., 18258529 + 1755625 = 4273^2 + 1325^2 .
It is not an unprimeable number, because it can be changed into a prime (20014153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003537 + ... + 5003540.
Almost surely, 220014154 is an apocalyptic number.
20014154 is a deficient number, since it is larger than the sum of its proper divisors (10007080).
20014154 is a wasteful number, since it uses less digits than its factorization.
20014154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10007079.
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 20014154 is about 4473.7181404286. The cubic root of 20014154 is about 271.5057796716.
Adding to 20014154 its reverse (45141002), we get a palindrome (65155156).
The spelling of 20014154 in words is "twenty million, fourteen thousand, one hundred fifty-four".
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