Base | Representation |
---|---|
bin | 100111001011… |
… | …1001111001110 |
3 | 1102122122220011 |
4 | 1032113033032 |
5 | 20224324124 |
6 | 2012143434 |
7 | 336415264 |
oct | 116271716 |
9 | 42578804 |
10 | 20542414 |
11 | 10660902 |
12 | 6a67b7a |
13 | 4343299 |
14 | 2a2a434 |
15 | 1c0b994 |
hex | 13973ce |
20542414 has 8 divisors (see below), whose sum is σ = 30984408. Its totient is φ = 10214280.
The previous prime is 20542399. The next prime is 20542447. The reversal of 20542414 is 41424502.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28012 + ... + 28735.
It is an arithmetic number, because the mean of its divisors is an integer number (3873051).
Almost surely, 220542414 is an apocalyptic number.
20542414 is a deficient number, since it is larger than the sum of its proper divisors (10441994).
20542414 is a wasteful number, since it uses less digits than its factorization.
20542414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56930.
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 20542414 is about 4532.3739916296. The cubic root of 20542414 is about 273.8738030401.
Adding to 20542414 its reverse (41424502), we get a palindrome (61966916).
The spelling of 20542414 in words is "twenty million, five hundred forty-two thousand, four hundred fourteen".
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