Base | Representation |
---|---|
bin | 1100011010011… |
… | …00000001000100 |
3 | 21020220212022200 |
4 | 12031030001010 |
5 | 203123323023 |
6 | 14155354500 |
7 | 2403002661 |
oct | 615140104 |
9 | 236825280 |
10 | 104120388 |
11 | 53856209 |
12 | 2aa52a30 |
13 | 187570c8 |
14 | db84a68 |
15 | 921a743 |
hex | 634c044 |
104120388 has 36 divisors (see below), whose sum is σ = 266158620. Its totient is φ = 34315776.
The previous prime is 104120383. The next prime is 104120407. The reversal of 104120388 is 883021401.
It can be written as a sum of positive squares in 2 ways, for example, as 52969284 + 51151104 = 7278^2 + 7152^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (104120381) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13045 + ... + 19452.
It is an arithmetic number, because the mean of its divisors is an integer number (7393295).
Almost surely, 2104120388 is an apocalyptic number.
104120388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
104120388 is an abundant number, since it is smaller than the sum of its proper divisors (162038232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104120388 is a wasteful number, since it uses less digits than its factorization.
104120388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32596 (or 32591 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 104120388 is about 10203.9398273412. The cubic root of 104120388 is about 470.4483242906.
Adding to 104120388 its reverse (883021401), we get a palindrome (987141789).
The spelling of 104120388 in words is "one hundred four million, one hundred twenty thousand, three hundred eighty-eight".
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