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1090128 = 243131747
BaseRepresentation
bin100001010001001010000
32001101101010
410022021100
5234341003
635210520
712160134
oct4121120
92041333
101090128
11685036
12446a40
132c2260
142053c4
15168003
hex10a250

1090128 has 40 divisors (see below), whose sum is σ = 3034528. Its totient is φ = 335232.

The previous prime is 1090127. The next prime is 1090129. The reversal of 1090128 is 8210901.

It is an interprime number because it is at equal distance from previous prime (1090127) and next prime (1090129).

It is a super-3 number, since 3×10901283 = 3886455851933331456, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090127) 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, 250 + ... + 1497.

21090128 is an apocalyptic number.

It is an amenable number.

1090128 is an abundant number, since it is smaller than the sum of its proper divisors (1944400).

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

1090128 is a wasteful number, since it uses less digits than its factorization.

1090128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1090128 is about 1044.0919499738. The cubic root of 1090128 is about 102.9182749470.

The spelling of 1090128 in words is "one million, ninety thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 1747 3494 5241 6988 10482 13976 20964 22711 27952 41928 45422 68133 83856 90844 136266 181688 272532 363376 545064 1090128