Base | Representation |
---|---|
bin | 111011101101… |
… | …0100111001101 |
3 | 2011220102012122 |
4 | 1313122213031 |
5 | 31003213031 |
6 | 3034542325 |
7 | 530036501 |
oct | 167324715 |
9 | 64812178 |
10 | 31304141 |
11 | 167412a0 |
12 | a5979a5 |
13 | 664077b |
14 | 422c301 |
15 | 2b3547b |
hex | 1dda9cd |
31304141 has 8 divisors (see below), whose sum is σ = 35251968. Its totient is φ = 27540000.
The previous prime is 31304107. The next prime is 31304159. The reversal of 31304141 is 14140313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31304141 - 222 = 27109837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31304341) 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, 45560 + ... + 46241.
It is an arithmetic number, because the mean of its divisors is an integer number (4406496).
Almost surely, 231304141 is an apocalyptic number.
31304141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31304141 is a deficient number, since it is larger than the sum of its proper divisors (3947827).
31304141 is a wasteful number, since it uses less digits than its factorization.
31304141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91843.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 31304141 is about 5595.0103663890. The cubic root of 31304141 is about 315.1620598869.
Adding to 31304141 its reverse (14140313), we get a palindrome (45444454).
The spelling of 31304141 in words is "thirty-one million, three hundred four thousand, one hundred forty-one".
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