Base | Representation |
---|---|
bin | 100000010100101… |
… | …110101110111101 |
3 | 1101210102221220021 |
4 | 200110232232331 |
5 | 2102312231323 |
6 | 125451252141 |
7 | 16303342522 |
oct | 4024565675 |
9 | 1353387807 |
10 | 542305213 |
11 | 259131a2a |
12 | 13174a051 |
13 | 88477c78 |
14 | 52049149 |
15 | 3292305d |
hex | 2052ebbd |
542305213 has 8 divisors (see below), whose sum is σ = 548907840. Its totient is φ = 535714080.
The previous prime is 542305147. The next prime is 542305261. The reversal of 542305213 is 312503245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-542305213 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 (542305273) 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, 126678 + ... + 130888.
It is an arithmetic number, because the mean of its divisors is an integer number (68613480).
Almost surely, 2542305213 is an apocalyptic number.
It is an amenable number.
542305213 is a deficient number, since it is larger than the sum of its proper divisors (6602627).
542305213 is a wasteful number, since it uses less digits than its factorization.
542305213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5747.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 542305213 is about 23287.4475415405. The cubic root of 542305213 is about 815.4824012493.
Adding to 542305213 its reverse (312503245), we get a palindrome (854808458).
The spelling of 542305213 in words is "five hundred forty-two million, three hundred five thousand, two hundred thirteen".
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