Base | Representation |
---|---|
bin | 10000111010000… |
… | …10110111001110 |
3 | 100212212210102100 |
4 | 20131002313032 |
5 | 242302103010 |
6 | 22023535530 |
7 | 3341356203 |
oct | 1035026716 |
9 | 325783370 |
10 | 141831630 |
11 | 73073226 |
12 | 3b5ba5a6 |
13 | 234cbc55 |
14 | 14b9dcaa |
15 | c6b92c0 |
hex | 8742dce |
141831630 has 96 divisors (see below), whose sum is σ = 383670144. Its totient is φ = 36324288.
The previous prime is 141831617. The next prime is 141831653. The reversal of 141831630 is 36138141.
141831630 is a `hidden beast` number, since 14 + 18 + 3 + 1 + 630 = 666.
141831630 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1418316302 = 40232422536913800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 141831594 and 141831603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259017 + ... + 259563.
It is an arithmetic number, because the mean of its divisors is an integer number (3996564).
Almost surely, 2141831630 is an apocalyptic number.
141831630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 141831630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191835072).
141831630 is an abundant number, since it is smaller than the sum of its proper divisors (241838514).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141831630 is a wasteful number, since it uses less digits than its factorization.
141831630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670 (or 667 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 141831630 is about 11909.3085441599. The cubic root of 141831630 is about 521.5040650239.
Adding to 141831630 its reverse (36138141), we get a palindrome (177969771).
The spelling of 141831630 in words is "one hundred forty-one million, eight hundred thirty-one thousand, six hundred thirty".
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