Base | Representation |
---|---|
bin | 111011101111… |
… | …1100000110110 |
3 | 2011221102202002 |
4 | 1313133200312 |
5 | 31004333324 |
6 | 3035215302 |
7 | 530152145 |
oct | 167374066 |
9 | 64842662 |
10 | 31324214 |
11 | 16755389 |
12 | a5a7532 |
13 | 664994c |
14 | 423575c |
15 | 2b3b3ae |
hex | 1ddf836 |
31324214 has 4 divisors (see below), whose sum is σ = 46986324. Its totient is φ = 15662106.
The previous prime is 31324201. The next prime is 31324259. The reversal of 31324214 is 41242313.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41242313 = 7 ⋅5891759.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7831052 + ... + 7831055.
It is an arithmetic number, because the mean of its divisors is an integer number (11746581).
Almost surely, 231324214 is an apocalyptic number.
31324214 is a deficient number, since it is larger than the sum of its proper divisors (15662110).
31324214 is a wasteful number, since it uses less digits than its factorization.
31324214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15662109.
The product of its digits is 576, while the sum is 20.
The square root of 31324214 is about 5596.8039093754. The cubic root of 31324214 is about 315.2294087649.
Adding to 31324214 its reverse (41242313), we get a palindrome (72566527).
The spelling of 31324214 in words is "thirty-one million, three hundred twenty-four thousand, two hundred fourteen".
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