Base | Representation |
---|---|
bin | 11010000111010… |
… | …010101010001111 |
3 | 1010112101202100200 |
4 | 122013102222033 |
5 | 1344124302210 |
6 | 111250224543 |
7 | 13566644013 |
oct | 3207225217 |
9 | 1115352320 |
10 | 438119055 |
11 | 205341370 |
12 | 102885153 |
13 | 6c9c9c5a |
14 | 42288543 |
15 | 286e30c0 |
hex | 1a1d2a8f |
438119055 has 48 divisors (see below), whose sum is σ = 830269440. Its totient is φ = 211953600.
The previous prime is 438119029. The next prime is 438119057. The reversal of 438119055 is 550911834.
It is not a de Polignac number, because 438119055 - 216 = 438053519 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (438119057) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355290 + ... + 356520.
It is an arithmetic number, because the mean of its divisors is an integer number (17297280).
Almost surely, 2438119055 is an apocalyptic number.
438119055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
438119055 is a deficient number, since it is larger than the sum of its proper divisors (392150385).
438119055 is a wasteful number, since it uses less digits than its factorization.
438119055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1972 (or 1969 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The square root of 438119055 is about 20931.2936771715. The cubic root of 438119055 is about 759.5051343302.
It can be divided in two parts, 4381 and 19055, that added together give a triangular number (23436 = T216).
The spelling of 438119055 in words is "four hundred thirty-eight million, one hundred nineteen thousand, fifty-five".
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