Base | Representation |
---|---|
bin | 11110011010011… |
… | …01101011011110 |
3 | 122210001112210020 |
4 | 33031031223132 |
5 | 1010302402032 |
6 | 41152053010 |
7 | 6215334222 |
oct | 1715155336 |
9 | 583045706 |
10 | 255122142 |
11 | 121012050 |
12 | 71534166 |
13 | 40b16c62 |
14 | 25c50782 |
15 | 175e6b2c |
hex | f34dade |
255122142 has 32 divisors (see below), whose sum is σ = 562049280. Its totient is φ = 76557120.
The previous prime is 255122137. The next prime is 255122159. The reversal of 255122142 is 241221552.
255122142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11967 + ... + 25562.
It is an arithmetic number, because the mean of its divisors is an integer number (17564040).
Almost surely, 2255122142 is an apocalyptic number.
255122142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
255122142 is an abundant number, since it is smaller than the sum of its proper divisors (306927138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255122142 is a wasteful number, since it uses less digits than its factorization.
255122142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37648.
The product of its digits is 1600, while the sum is 24.
The square root of 255122142 is about 15972.5433791867. The cubic root of 255122142 is about 634.2338017243.
Adding to 255122142 its reverse (241221552), we get a palindrome (496343694).
The spelling of 255122142 in words is "two hundred fifty-five million, one hundred twenty-two thousand, one hundred forty-two".
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