Base | Representation |
---|---|
bin | 11001010110010… |
… | …010000010111001 |
3 | 1002122020000210121 |
4 | 121112102002321 |
5 | 1332332141411 |
6 | 110111013241 |
7 | 13352514355 |
oct | 3126220271 |
9 | 1078200717 |
10 | 425271481 |
11 | 1a9066838 |
12 | ba50a221 |
13 | 6a14c23b |
14 | 406a2465 |
15 | 27506571 |
hex | 195920b9 |
425271481 has 8 divisors (see below), whose sum is σ = 427875840. Its totient is φ = 422673792.
The previous prime is 425271467. The next prime is 425271487. The reversal of 425271481 is 184172524.
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 425271481 - 29 = 425270969 is a prime.
It is a super-2 number, since 2×4252714812 = 361711665103866722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (425271487) 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 7 ways as a sum of consecutive naturals, for example, 185961 + ... + 188233.
It is an arithmetic number, because the mean of its divisors is an integer number (53484480).
Almost surely, 2425271481 is an apocalyptic number.
It is an amenable number.
425271481 is a deficient number, since it is larger than the sum of its proper divisors (2604359).
425271481 is a wasteful number, since it uses less digits than its factorization.
425271481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3335.
The product of its digits is 17920, while the sum is 34.
The square root of 425271481 is about 20622.1114583352. Note that the first 3 decimals coincide. The cubic root of 425271481 is about 752.0073520718.
The spelling of 425271481 in words is "four hundred twenty-five million, two hundred seventy-one thousand, four hundred eighty-one".
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