542898 has 12 divisors (see below), whose sum is σ = 1176318. Its totient is φ = 180960.
The previous prime is 542891. The next prime is 542911. The reversal of 542898 is 898245.
It can be written as a sum of positive squares in only one way, i.e., 393129 + 149769 = 627^2 + 387^2 .
It is not an unprimeable number, because it can be changed into a prime (542891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15063 + ... + 15098.
2542898 is an apocalyptic number.
542898 is an abundant number, since it is smaller than the sum of its proper divisors (633420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542898 is a wasteful number, since it uses less digits than its factorization.
542898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30169 (or 30166 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 542898 is about 736.8161236021. The cubic root of 542898 is about 81.5779424233.
The spelling of 542898 in words is "five hundred forty-two thousand, eight hundred ninety-eight".
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