Base | Representation |
---|---|
bin | 101101011010… |
… | …1000001010010 |
3 | 1122210200100200 |
4 | 1122311001102 |
5 | 22043411010 |
6 | 2210200030 |
7 | 406245201 |
oct | 132650122 |
9 | 48720320 |
10 | 23810130 |
11 | 124929a3 |
12 | 7b83016 |
13 | 4c18746 |
14 | 323b238 |
15 | 2154cc0 |
hex | 16b5052 |
23810130 has 48 divisors (see below), whose sum is σ = 62935704. Its totient is φ = 6243840.
The previous prime is 23810119. The next prime is 23810147. The reversal of 23810130 is 3101832.
23810130 = 4152 + 4162 + ... + 5222.
It can be written as a sum of positive squares in 4 ways, for example, as 4809249 + 19000881 = 2193^2 + 4359^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3322 + ... + 7658.
Almost surely, 223810130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23810130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31467852).
23810130 is an abundant number, since it is smaller than the sum of its proper divisors (39125574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23810130 is a wasteful number, since it uses less digits than its factorization.
23810130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4411 (or 4408 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 23810130 is about 4879.5624803869. The cubic root of 23810130 is about 287.6872327966.
Adding to 23810130 its reverse (3101832), we get a palindrome (26911962).
The spelling of 23810130 in words is "twenty-three million, eight hundred ten thousand, one hundred thirty".
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