Base | Representation |
---|---|
bin | 100000010100101… |
… | …010011010111100 |
3 | 1101210102001200000 |
4 | 200110222122330 |
5 | 2102311200143 |
6 | 125451034300 |
7 | 16303240155 |
oct | 4024523274 |
9 | 1353361600 |
10 | 542287548 |
11 | 25911a730 |
12 | 13173b990 |
13 | 8846cc0a |
14 | 5204292c |
15 | 3291cbd3 |
hex | 2052a6bc |
542287548 has 144 divisors (see below), whose sum is σ = 1576009344. Its totient is φ = 161663040.
The previous prime is 542287547. The next prime is 542287549. The reversal of 542287548 is 845782245.
542287548 is a `hidden beast` number, since 5 + 4 + 22 + 87 + 548 = 666.
It is an interprime number because it is at equal distance from previous prime (542287547) and next prime (542287549).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542287541) 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 47 ways as a sum of consecutive naturals, for example, 715986 + ... + 716742.
Almost surely, 2542287548 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 542287548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788004672).
542287548 is an abundant number, since it is smaller than the sum of its proper divisors (1033721796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542287548 is a wasteful number, since it uses less digits than its factorization.
542287548 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 854 (or 840 counting only the distinct ones).
The product of its digits is 716800, while the sum is 45.
The square root of 542287548 is about 23287.0682568674. The cubic root of 542287548 is about 815.4735466703.
It can be divided in two parts, 54228 and 7548, that added together give a triangular number (61776 = T351).
The spelling of 542287548 in words is "five hundred forty-two million, two hundred eighty-seven thousand, five hundred forty-eight".
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