Base | Representation |
---|---|
bin | 11101011011101… |
… | …111011011100111 |
3 | 1021102012012221021 |
4 | 131123233123213 |
5 | 2002403431211 |
6 | 121000032011 |
7 | 15144220321 |
oct | 3533573347 |
9 | 1242165837 |
10 | 493811431 |
11 | 23381a923 |
12 | 119462607 |
13 | 7b3c9319 |
14 | 49824611 |
15 | 2d544771 |
hex | 1d6ef6e7 |
493811431 has 8 divisors (see below), whose sum is σ = 513465984. Its totient is φ = 474389760.
The previous prime is 493811413. The next prime is 493811459. The reversal of 493811431 is 134118394.
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 493811431 - 25 = 493811399 is a prime.
It is a super-2 number, since 2×4938114312 = 487699458772535522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (493811411) 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, 53890 + ... + 62383.
It is an arithmetic number, because the mean of its divisors is an integer number (64183248).
Almost surely, 2493811431 is an apocalyptic number.
493811431 is a deficient number, since it is larger than the sum of its proper divisors (19654553).
493811431 is a wasteful number, since it uses less digits than its factorization.
493811431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116441.
The product of its digits is 10368, while the sum is 34.
The square root of 493811431 is about 22221.8683057928. The cubic root of 493811431 is about 790.4123420223.
The spelling of 493811431 in words is "four hundred ninety-three million, eight hundred eleven thousand, four hundred thirty-one".
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