Base | Representation |
---|---|
bin | 1010001100000… |
… | …0001010101001 |
3 | 2222101220202021 |
4 | 2203000022221 |
5 | 41414331103 |
6 | 4123504441 |
7 | 1026125464 |
oct | 243001251 |
9 | 88356667 |
10 | 42730153 |
11 | 22135884 |
12 | 12388121 |
13 | 8b1141b |
14 | 59642db |
15 | 3b40bbd |
hex | 28c02a9 |
42730153 has 8 divisors (see below), whose sum is σ = 43994880. Its totient is φ = 41471280.
The previous prime is 42730151. The next prime is 42730157. The reversal of 42730153 is 35103724.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42730153 - 21 = 42730151 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42730151) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16518 + ... + 18928.
It is an arithmetic number, because the mean of its divisors is an integer number (5499360).
Almost surely, 242730153 is an apocalyptic number.
It is an amenable number.
42730153 is a deficient number, since it is larger than the sum of its proper divisors (1264727).
42730153 is a wasteful number, since it uses less digits than its factorization.
42730153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2927.
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 42730153 is about 6536.8305010915. The cubic root of 42730153 is about 349.6054138184.
Adding to 42730153 its reverse (35103724), we get a palindrome (77833877).
The spelling of 42730153 in words is "forty-two million, seven hundred thirty thousand, one hundred fifty-three".
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