281048 has 24 divisors (see below), whose sum is σ = 567900. Its totient is φ = 130032.
The previous prime is 281033. The next prime is 281053. The reversal of 281048 is 840182.
It is a plaindrome in base 12.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281048.
It is an unprimeable number.
281048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6515 + ... + 6557.
2281048 is an apocalyptic number.
It is an amenable number.
281048 is an abundant number, since it is smaller than the sum of its proper divisors (286852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
281048 is a wasteful number, since it uses less digits than its factorization.
281048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111 (or 64 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 23.
The square root of 281048 is about 530.1396042553. The cubic root of 281048 is about 65.5028454759.
The spelling of 281048 in words is "two hundred eighty-one thousand, forty-eight".
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