Base | Representation |
---|---|
bin | 10011111101001100011011 |
3 | 100211210010002 |
4 | 103331030123 |
5 | 2314401022 |
6 | 304043215 |
7 | 62315600 |
oct | 23751433 |
9 | 10753102 |
10 | 5231387 |
11 | 2a53467 |
12 | 190350b |
13 | 11121c5 |
14 | 9a26a7 |
15 | 6d5092 |
hex | 4fd31b |
5231387 has 12 divisors (see below), whose sum is σ = 6124536. Its totient is φ = 4455360.
The previous prime is 5231371. The next prime is 5231389. The reversal of 5231387 is 7831325.
It is not a de Polignac number, because 5231387 - 24 = 5231371 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5231389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11588 + ... + 12030.
It is an arithmetic number, because the mean of its divisors is an integer number (510378).
Almost surely, 25231387 is an apocalyptic number.
5231387 is a deficient number, since it is larger than the sum of its proper divisors (893149).
5231387 is a wasteful number, since it uses less digits than its factorization.
5231387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 698 (or 691 counting only the distinct ones).
The product of its digits is 5040, while the sum is 29.
The square root of 5231387 is about 2287.2225514803. Note that the first 3 decimals coincide. The cubic root of 5231387 is about 173.5956944822.
The spelling of 5231387 in words is "five million, two hundred thirty-one thousand, three hundred eighty-seven".
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