Base | Representation |
---|---|
bin | 111011100101… |
… | …1001111111110 |
3 | 2011210012220000 |
4 | 1313023033332 |
5 | 30444204324 |
6 | 3033335130 |
7 | 526355154 |
oct | 167131776 |
9 | 64705800 |
10 | 31241214 |
11 | 166a8a94 |
12 | a5674a6 |
13 | 661ac34 |
14 | 42133d4 |
15 | 2b219c9 |
hex | 1dcb3fe |
31241214 has 20 divisors (see below), whose sum is σ = 70003824. Its totient is φ = 10413684.
The previous prime is 31241179. The next prime is 31241227. The reversal of 31241214 is 41214213.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 96262 + ... + 96585.
Almost surely, 231241214 is an apocalyptic number.
31241214 is an abundant number, since it is smaller than the sum of its proper divisors (38762610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31241214 is a wasteful number, since it uses less digits than its factorization.
31241214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192861 (or 192852 counting only the distinct ones).
The product of its digits is 192, while the sum is 18.
The square root of 31241214 is about 5589.3840447763. The cubic root of 31241214 is about 314.9507405966.
Adding to 31241214 its reverse (41214213), we get a palindrome (72455427).
The spelling of 31241214 in words is "thirty-one million, two hundred forty-one thousand, two hundred fourteen".
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