Base | Representation |
---|---|
bin | 100000010101010… |
… | …001100111010111 |
3 | 1101210201012212220 |
4 | 200111101213113 |
5 | 2102331314322 |
6 | 125454313423 |
7 | 16304506206 |
oct | 4025214727 |
9 | 1353635786 |
10 | 542448087 |
11 | 25921a305 |
12 | 1317b8873 |
13 | 884c7ccc |
14 | 5208523d |
15 | 3295055c |
hex | 205519d7 |
542448087 has 12 divisors (see below), whose sum is σ = 768312936. Its totient is φ = 340359040.
The previous prime is 542448079. The next prime is 542448089. The reversal of 542448087 is 780844245.
It is not a de Polignac number, because 542448087 - 23 = 542448079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542448089) 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, 311964 + ... + 313697.
It is an arithmetic number, because the mean of its divisors is an integer number (64026078).
Almost surely, 2542448087 is an apocalyptic number.
542448087 is a deficient number, since it is larger than the sum of its proper divisors (225864849).
542448087 is a wasteful number, since it uses less digits than its factorization.
542448087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 625698 (or 625681 counting only the distinct ones).
The product of its (nonzero) digits is 286720, while the sum is 42.
The square root of 542448087 is about 23290.5149578106. The cubic root of 542448087 is about 815.5540097577.
The spelling of 542448087 in words is "five hundred forty-two million, four hundred forty-eight thousand, eighty-seven".
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