Base | Representation |
---|---|
bin | 1100001101011… |
… | …01011110000100 |
3 | 21010201121010101 |
4 | 12012231132010 |
5 | 202210004104 |
6 | 14055133444 |
7 | 2352401410 |
oct | 606553604 |
9 | 233647111 |
10 | 102422404 |
11 | 528a6517 |
12 | 2a374284 |
13 | 182b1296 |
14 | d861d40 |
15 | 8ed25a4 |
hex | 61ad784 |
102422404 has 48 divisors (see below), whose sum is σ = 215324928. Its totient is φ = 41678208.
The previous prime is 102422393. The next prime is 102422423. The reversal of 102422404 is 404224201.
It is a super-2 number, since 2×1024224042 = 20980697682278432, which contains 22 as substring.
It is an unprimeable number.
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, 100602 + ... + 101614.
It is an arithmetic number, because the mean of its divisors is an integer number (4485936).
Almost surely, 2102422404 is an apocalyptic number.
102422404 is a gapful number since it is divisible by the number (14) 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 102422404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107662464).
102422404 is an abundant number, since it is smaller than the sum of its proper divisors (112902524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102422404 is a wasteful number, since it uses less digits than its factorization.
102422404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1204 (or 1202 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 19.
The square root of 102422404 is about 10120.3954468193. The cubic root of 102422404 is about 467.8769552580.
Adding to 102422404 its reverse (404224201), we get a palindrome (506646605).
The spelling of 102422404 in words is "one hundred two million, four hundred twenty-two thousand, four hundred four".
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