Base | Representation |
---|---|
bin | 100000010100000… |
… | …111001000101111 |
3 | 1101210010201102020 |
4 | 200110013020233 |
5 | 2102242034043 |
6 | 125444001223 |
7 | 16302065622 |
oct | 4024071057 |
9 | 1353121366 |
10 | 542143023 |
11 | 259031094 |
12 | 131690213 |
13 | 8841c1b6 |
14 | 52005db9 |
15 | 328dee83 |
hex | 2050722f |
542143023 has 8 divisors (see below), whose sum is σ = 747783600. Its totient is φ = 348965568.
The previous prime is 542143009. The next prime is 542143027. The reversal of 542143023 is 320341245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-542143023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 542142984 and 542143002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542143027) 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, 3115678 + ... + 3115851.
It is an arithmetic number, because the mean of its divisors is an integer number (93472950).
Almost surely, 2542143023 is an apocalyptic number.
542143023 is a deficient number, since it is larger than the sum of its proper divisors (205640577).
542143023 is a wasteful number, since it uses less digits than its factorization.
542143023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6231561.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 542143023 is about 23283.9649329748. The cubic root of 542143023 is about 815.4010963093.
Adding to 542143023 its reverse (320341245), we get a palindrome (862484268).
The spelling of 542143023 in words is "five hundred forty-two million, one hundred forty-three thousand, twenty-three".
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