Base | Representation |
---|---|
bin | 11101011011101… |
… | …111000111011110 |
3 | 1021102012011011112 |
4 | 131123233013132 |
5 | 2002403411032 |
6 | 121000022022 |
7 | 15144213500 |
oct | 3533570736 |
9 | 1242164145 |
10 | 493810142 |
11 | 233819961 |
12 | 119461912 |
13 | 7b3c8867 |
14 | 49823d70 |
15 | 2d5441b2 |
hex | 1d6ef1de |
493810142 has 24 divisors (see below), whose sum is σ = 866012400. Its totient is φ = 210561120.
The previous prime is 493810111. The next prime is 493810147. The reversal of 493810142 is 241018394.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 493810099 and 493810108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (493810147) 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, 6842 + ... + 32162.
It is an arithmetic number, because the mean of its divisors is an integer number (36083850).
Almost surely, 2493810142 is an apocalyptic number.
493810142 is a deficient number, since it is larger than the sum of its proper divisors (372202258).
493810142 is a wasteful number, since it uses less digits than its factorization.
493810142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25536 (or 25529 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 493810142 is about 22221.8393028120. The cubic root of 493810142 is about 790.4116542818.
The spelling of 493810142 in words is "four hundred ninety-three million, eight hundred ten thousand, one hundred forty-two".
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