Base | Representation |
---|---|
bin | 11110011001100… |
… | …10010011100100 |
3 | 122202211211222120 |
4 | 33030302103210 |
5 | 1010240310040 |
6 | 41145425540 |
7 | 6214356306 |
oct | 1714622344 |
9 | 582754876 |
10 | 255010020 |
11 | 120a45891 |
12 | 7149b2b0 |
13 | 40aa7c05 |
14 | 25c21976 |
15 | 175c37d0 |
hex | f3324e4 |
255010020 has 96 divisors (see below), whose sum is σ = 754790400. Its totient is φ = 64151424.
The previous prime is 255009991. The next prime is 255010033. The reversal of 255010020 is 20010552.
255010020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2550100202 = 130060220600800800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532141 + ... + 532619.
It is an arithmetic number, because the mean of its divisors is an integer number (7862400).
Almost surely, 2255010020 is an apocalyptic number.
255010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 255010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377395200).
255010020 is an abundant number, since it is smaller than the sum of its proper divisors (499780380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255010020 is a wasteful number, since it uses less digits than its factorization.
255010020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 977 (or 975 counting only the distinct ones).
The product of its (nonzero) digits is 100, while the sum is 15.
The square root of 255010020 is about 15969.0331579592. The cubic root of 255010020 is about 634.1408763230.
Adding to 255010020 its reverse (20010552), we get a palindrome (275020572).
The spelling of 255010020 in words is "two hundred fifty-five million, ten thousand, twenty".
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