Base | Representation |
---|---|
bin | 100010011011… |
… | …010111111100 |
3 | 121222112000000 |
4 | 202123113330 |
5 | 4302300040 |
6 | 521234300 |
7 | 136466004 |
oct | 42332774 |
9 | 17875000 |
10 | 9025020 |
11 | 51046a4 |
12 | 3032990 |
13 | 1b3cb64 |
14 | 12ad004 |
15 | bd4130 |
hex | 89b5fc |
9025020 has 84 divisors (see below), whose sum is σ = 28461720. Its totient is φ = 2402784.
The previous prime is 9025013. The next prime is 9025021. The reversal of 9025020 is 205209.
It is a super-3 number, since 3×90250203 (a number of 22 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 9024984 and 9025002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9025021) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14271 + ... + 14889.
It is an arithmetic number, because the mean of its divisors is an integer number (338830).
Almost surely, 29025020 is an apocalyptic number.
9025020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9025020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14230860).
9025020 is an abundant number, since it is smaller than the sum of its proper divisors (19436700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9025020 is a wasteful number, since it uses less digits than its factorization.
9025020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646 (or 629 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 9025020 is about 3004.1671058714. The cubic root of 9025020 is about 208.2009583957.
The spelling of 9025020 in words is "nine million, twenty-five thousand, twenty".
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