Base | Representation |
---|---|
bin | 100000010110101… |
… | …000010111100111 |
3 | 1101211101021022210 |
4 | 200112220113213 |
5 | 2102424202211 |
6 | 125510054503 |
7 | 16310516202 |
oct | 4026502747 |
9 | 1354337283 |
10 | 542803431 |
11 | 259442285 |
12 | 13194a433 |
13 | 885c0981 |
14 | 52138939 |
15 | 329c09a6 |
hex | 205a85e7 |
542803431 has 16 divisors (see below), whose sum is σ = 744046688. Its totient is φ = 351734400.
The previous prime is 542803409. The next prime is 542803433. The reversal of 542803431 is 134308245.
It is not a de Polignac number, because 542803431 - 211 = 542801383 is a prime.
It is a super-2 number, since 2×5428034312 = 589271129410743522, 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 (542803433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151521 + ... + 155061.
It is an arithmetic number, because the mean of its divisors is an integer number (46502918).
Almost surely, 2542803431 is an apocalyptic number.
542803431 is a deficient number, since it is larger than the sum of its proper divisors (201243257).
542803431 is a wasteful number, since it uses less digits than its factorization.
542803431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4962.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 542803431 is about 23298.1422220743. The cubic root of 542803431 is about 815.7320538098.
The spelling of 542803431 in words is "five hundred forty-two million, eight hundred three thousand, four hundred thirty-one".
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