Base | Representation |
---|---|
bin | 100010000110… |
… | …101000111010 |
3 | 121211012111110 |
4 | 202012220322 |
5 | 4242040330 |
6 | 515341150 |
7 | 135663255 |
oct | 42065072 |
9 | 17735443 |
10 | 8940090 |
11 | 5056905 |
12 | 2bb17b6 |
13 | 1b102c3 |
14 | 128a09c |
15 | bb8db0 |
hex | 886a3a |
8940090 has 32 divisors (see below), whose sum is σ = 22150656. Its totient is φ = 2306880.
The previous prime is 8940083. The next prime is 8940097. The reversal of 8940090 is 900498.
It is an interprime number because it is at equal distance from previous prime (8940083) and next prime (8940097).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (8940097) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877 + ... + 5736.
It is an arithmetic number, because the mean of its divisors is an integer number (692208).
Almost surely, 28940090 is an apocalyptic number.
8940090 is an abundant number, since it is smaller than the sum of its proper divisors (13210566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8940090 is a wasteful number, since it uses less digits than its factorization.
8940090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9654.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 8940090 is about 2989.9983277587. The cubic root of 8940090 is about 207.5458068901.
The spelling of 8940090 in words is "eight million, nine hundred forty thousand, ninety".
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