Base | Representation |
---|---|
bin | 1111010000111… |
… | …01000010010100 |
3 | 22220221100222222 |
4 | 13220131002110 |
5 | 230234421304 |
6 | 20412241512 |
7 | 3113236430 |
oct | 750350224 |
9 | 286840888 |
10 | 128045204 |
11 | 66307291 |
12 | 36a70298 |
13 | 206b2ac1 |
14 | 130119c0 |
15 | b3944be |
hex | 7a1d094 |
128045204 has 24 divisors (see below), whose sum is σ = 256757760. Its totient is φ = 54733536.
The previous prime is 128045167. The next prime is 128045219. The reversal of 128045204 is 402540821.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5357 + ... + 16875.
It is an arithmetic number, because the mean of its divisors is an integer number (10698240).
Almost surely, 2128045204 is an apocalyptic number.
128045204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
128045204 is an abundant number, since it is smaller than the sum of its proper divisors (128712556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128045204 is a wasteful number, since it uses less digits than its factorization.
128045204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11927 (or 11925 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 26.
The square root of 128045204 is about 11315.7060760697. The cubic root of 128045204 is about 504.0277395079.
The spelling of 128045204 in words is "one hundred twenty-eight million, forty-five thousand, two hundred four".
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