Base | Representation |
---|---|
bin | 111011111110… |
… | …0000011101110 |
3 | 2012011101010110 |
4 | 1313330003232 |
5 | 31022104014 |
6 | 3041520450 |
7 | 531150054 |
oct | 167740356 |
9 | 65141113 |
10 | 31441134 |
11 | 1682520a |
12 | a643126 |
13 | 668ac2a |
14 | 42661d4 |
15 | 2b60d59 |
hex | 1dfc0ee |
31441134 has 16 divisors (see below), whose sum is σ = 63284688. Its totient is φ = 10413312.
The previous prime is 31441129. The next prime is 31441139. The reversal of 31441134 is 43114413.
It is an interprime number because it is at equal distance from previous prime (31441129) and next prime (31441139).
It is a self number, because there is not a number n which added to its sum of digits gives 31441134.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31441139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15747 + ... + 17630.
It is an arithmetic number, because the mean of its divisors is an integer number (3955293).
Almost surely, 231441134 is an apocalyptic number.
31441134 is an abundant number, since it is smaller than the sum of its proper divisors (31843554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31441134 is a wasteful number, since it uses less digits than its factorization.
31441134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33539.
The product of its digits is 576, while the sum is 21.
The square root of 31441134 is about 5607.2394277398. The cubic root of 31441134 is about 315.6211276720.
Adding to 31441134 its reverse (43114413), we get a palindrome (74555547).
It can be divided in two parts, 3144 and 1134, that added together give a triangular number (4278 = T92).
The spelling of 31441134 in words is "thirty-one million, four hundred forty-one thousand, one hundred thirty-four".
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