Base | Representation |
---|---|
bin | 11001011101011… |
… | …011101001100110 |
3 | 1002202202020220221 |
4 | 121131123221212 |
5 | 1333322131310 |
6 | 110215114554 |
7 | 13404452056 |
oct | 3135335146 |
9 | 1082666827 |
10 | 427145830 |
11 | 1aa126a91 |
12 | bb072a5a |
13 | 6a657417 |
14 | 40a2d566 |
15 | 27776ada |
hex | 1975ba66 |
427145830 has 8 divisors (see below), whose sum is σ = 768862512. Its totient is φ = 170858328.
The previous prime is 427145827. The next prime is 427145833. The reversal of 427145830 is 38541724.
It is an interprime number because it is at equal distance from previous prime (427145827) and next prime (427145833).
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 (427145833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21357282 + ... + 21357301.
It is an arithmetic number, because the mean of its divisors is an integer number (96107814).
Almost surely, 2427145830 is an apocalyptic number.
427145830 is a deficient number, since it is larger than the sum of its proper divisors (341716682).
427145830 is a wasteful number, since it uses less digits than its factorization.
427145830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42714590.
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 427145830 is about 20667.5066227158. The cubic root of 427145830 is about 753.1105363980.
The spelling of 427145830 in words is "four hundred twenty-seven million, one hundred forty-five thousand, eight hundred thirty".
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