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1028248 = 23139887
BaseRepresentation
bin11111011000010011000
31221020111021
43323002120
5230400443
634012224
711511544
oct3730230
91836437
101028248
116425a1
12417074
132a0040
141caa24
151549ed
hexfb098

1028248 has 16 divisors (see below), whose sum is σ = 2076480. Its totient is φ = 474528.

The previous prime is 1028243. The next prime is 1028263. The reversal of 1028248 is 8428201.

1028248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4840 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (129780).

21028248 is an apocalyptic number.

It is an amenable number.

1028248 is an abundant number, since it is smaller than the sum of its proper divisors (1048232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028248 is a wasteful number, since it uses less digits than its factorization.

1028248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906 (or 9902 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1028248 is about 1014.0256407015. The cubic root of 1028248 is about 100.9328704660.

The spelling of 1028248 in words is "one million, twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 9887 19774 39548 79096 128531 257062 514124 1028248