Base | Representation |
---|---|
bin | 1111101001110… |
… | …11001101111010 |
3 | 100011002110201000 |
4 | 13310323031322 |
5 | 232104031204 |
6 | 21010305430 |
7 | 3153104160 |
oct | 764731572 |
9 | 304073630 |
10 | 131314554 |
11 | 6813a628 |
12 | 37b88276 |
13 | 21288c27 |
14 | 13623230 |
15 | b7dd039 |
hex | 7d3b37a |
131314554 has 128 divisors (see below), whose sum is σ = 352396800. Its totient is φ = 35458560.
The previous prime is 131314537. The next prime is 131314559. The reversal of 131314554 is 455413131.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (131314559) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 573312 + ... + 573540.
It is an arithmetic number, because the mean of its divisors is an integer number (2753100).
Almost surely, 2131314554 is an apocalyptic number.
131314554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 131314554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176198400).
131314554 is an abundant number, since it is smaller than the sum of its proper divisors (221082246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131314554 is a wasteful number, since it uses less digits than its factorization.
131314554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325 (or 319 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 131314554 is about 11459.2562585885. The cubic root of 131314554 is about 508.2814821489.
Adding to 131314554 its reverse (455413131), we get a palindrome (586727685).
The spelling of 131314554 in words is "one hundred thirty-one million, three hundred fourteen thousand, five hundred fifty-four".
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