Base | Representation |
---|---|
bin | 100111000000… |
… | …1011010111110 |
3 | 1102111010022112 |
4 | 1032001122332 |
5 | 20213444204 |
6 | 2010214022 |
7 | 335563616 |
oct | 116013276 |
9 | 42433275 |
10 | 20453054 |
11 | 105aa756 |
12 | 6a24312 |
13 | 43116cb |
14 | 2a05a46 |
15 | 1be026e |
hex | 13816be |
20453054 has 8 divisors (see below), whose sum is σ = 30706128. Its totient is φ = 10217680.
The previous prime is 20453053. The next prime is 20453089. The reversal of 20453054 is 45035402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20453053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007 + ... + 6474.
It is an arithmetic number, because the mean of its divisors is an integer number (3838266).
Almost surely, 220453054 is an apocalyptic number.
20453054 is a deficient number, since it is larger than the sum of its proper divisors (10253074).
20453054 is a wasteful number, since it uses less digits than its factorization.
20453054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8850.
The product of its (nonzero) digits is 2400, while the sum is 23.
The square root of 20453054 is about 4522.5052791567. The cubic root of 20453054 is about 273.4761065859.
Adding to 20453054 its reverse (45035402), we get a palindrome (65488456).
The spelling of 20453054 in words is "twenty million, four hundred fifty-three thousand, fifty-four".
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