Base | Representation |
---|---|
bin | 11001100000010… |
… | …001101000110111 |
3 | 1002211011010110021 |
4 | 121200101220313 |
5 | 1334020010010 |
6 | 110243110011 |
7 | 13414005241 |
oct | 3140215067 |
9 | 1084133407 |
10 | 427891255 |
11 | 1aa596040 |
12 | bb372307 |
13 | 6a8587bc |
14 | 40b85091 |
15 | 278728da |
hex | 19811a37 |
427891255 has 16 divisors (see below), whose sum is σ = 567244800. Its totient is φ = 307251360.
The previous prime is 427891253. The next prime is 427891283. The reversal of 427891255 is 552198724.
It is not a de Polignac number, because 427891255 - 21 = 427891253 is a prime.
It is a super-2 number, since 2×4278912552 = 366181852210950050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427891253) 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 15 ways as a sum of consecutive naturals, for example, 44895 + ... + 53584.
It is an arithmetic number, because the mean of its divisors is an integer number (35452800).
Almost surely, 2427891255 is an apocalyptic number.
427891255 is a deficient number, since it is larger than the sum of its proper divisors (139353545).
427891255 is a wasteful number, since it uses less digits than its factorization.
427891255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98574.
The product of its digits is 201600, while the sum is 43.
The square root of 427891255 is about 20685.5325046275. The cubic root of 427891255 is about 753.5483737311.
It can be divided in two parts, 42789 and 1255, that added together give a palindrome (44044).
The spelling of 427891255 in words is "four hundred twenty-seven million, eight hundred ninety-one thousand, two hundred fifty-five".
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