Base | Representation |
---|---|
bin | 100000010101000… |
… | …100101110010111 |
3 | 1101210121112110100 |
4 | 200111010232113 |
5 | 2102323122122 |
6 | 125453225143 |
7 | 16304166240 |
oct | 4025045627 |
9 | 1353545410 |
10 | 542395287 |
11 | 259193675 |
12 | 1317921b3 |
13 | 884a9c75 |
14 | 5206dcc7 |
15 | 3293eaac |
hex | 20544b97 |
542395287 has 12 divisors (see below), whose sum is σ = 895382800. Its totient is φ = 309940128.
The previous prime is 542395213. The next prime is 542395291. The reversal of 542395287 is 782593245.
It is not a de Polignac number, because 542395287 - 28 = 542395031 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 (542395297) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4304662 + ... + 4304787.
Almost surely, 2542395287 is an apocalyptic number.
542395287 is a deficient number, since it is larger than the sum of its proper divisors (352987513).
542395287 is a wasteful number, since it uses less digits than its factorization.
542395287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8609462 (or 8609459 counting only the distinct ones).
The product of its digits is 604800, while the sum is 45.
The square root of 542395287 is about 23289.3814215835. The cubic root of 542395287 is about 815.5275478406.
The spelling of 542395287 in words is "five hundred forty-two million, three hundred ninety-five thousand, two hundred eighty-seven".
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