Base | Representation |
---|---|
bin | 111011111011… |
… | …0101011111100 |
3 | 2012010020221120 |
4 | 1313312223330 |
5 | 31020403012 |
6 | 3041230540 |
7 | 531025653 |
oct | 167665374 |
9 | 65106846 |
10 | 31419132 |
11 | 1680a728 |
12 | a632450 |
13 | 6680c04 |
14 | 425c19a |
15 | 2b5958c |
hex | 1df6afc |
31419132 has 12 divisors (see below), whose sum is σ = 73311336. Its totient is φ = 10473040.
The previous prime is 31419121. The next prime is 31419163. The reversal of 31419132 is 23191413.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309119 + ... + 1309142.
It is an arithmetic number, because the mean of its divisors is an integer number (6109278).
Almost surely, 231419132 is an apocalyptic number.
It is an amenable number.
31419132 is an abundant number, since it is smaller than the sum of its proper divisors (41892204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31419132 is a wasteful number, since it uses less digits than its factorization.
31419132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2618268 (or 2618266 counting only the distinct ones).
The product of its digits is 648, while the sum is 24.
The square root of 31419132 is about 5605.2771563947. The cubic root of 31419132 is about 315.5474882955.
It can be divided in two parts, 3141913 and 2, that multiplied together give a palindrome (6283826).
The spelling of 31419132 in words is "thirty-one million, four hundred nineteen thousand, one hundred thirty-two".
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