Base | Representation |
---|---|
bin | 11001011110010… |
… | …111111111110101 |
3 | 1002210012210222212 |
4 | 121132113333311 |
5 | 1333403034023 |
6 | 110224303205 |
7 | 13406531525 |
oct | 3136277765 |
9 | 1083183885 |
10 | 427393013 |
11 | 1aa285773 |
12 | bb171b05 |
13 | 6a712a98 |
14 | 40a95685 |
15 | 277c4e78 |
hex | 19797ff5 |
427393013 has 4 divisors (see below), whose sum is σ = 427988160. Its totient is φ = 426797868.
The previous prime is 427392997. The next prime is 427393037. The reversal of 427393013 is 310393724.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 427393013 - 24 = 427392997 is a prime.
It is a super-2 number, since 2×4273930132 = 365329575122436338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427395013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296495 + ... + 297932.
It is an arithmetic number, because the mean of its divisors is an integer number (106997040).
Almost surely, 2427393013 is an apocalyptic number.
It is an amenable number.
427393013 is a deficient number, since it is larger than the sum of its proper divisors (595147).
427393013 is an equidigital number, since it uses as much as digits as its factorization.
427393013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 595146.
The product of its (nonzero) digits is 13608, while the sum is 32.
The square root of 427393013 is about 20673.4857486588. The cubic root of 427393013 is about 753.2557797096.
The spelling of 427393013 in words is "four hundred twenty-seven million, three hundred ninety-three thousand, thirteen".
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