Base | Representation |
---|---|
bin | 100010011000… |
… | …011010001000 |
3 | 121221220100002 |
4 | 202120122020 |
5 | 4301402442 |
6 | 521102132 |
7 | 136415411 |
oct | 42303210 |
9 | 17856302 |
10 | 9012872 |
11 | 50a6560 |
12 | 3027948 |
13 | 1b3747b |
14 | 12a8808 |
15 | bd0732 |
hex | 898688 |
9012872 has 64 divisors (see below), whose sum is σ = 19820160. Its totient is φ = 3801600.
The previous prime is 9012869. The next prime is 9012889. The reversal of 9012872 is 2782109.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123428 + ... + 123500.
It is an arithmetic number, because the mean of its divisors is an integer number (309690).
Almost surely, 29012872 is an apocalyptic number.
9012872 is a gapful number since it is divisible by the number (92) 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 9012872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9910080).
9012872 is an abundant number, since it is smaller than the sum of its proper divisors (10807288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9012872 is a wasteful number, since it uses less digits than its factorization.
9012872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174 (or 170 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 9012872 is about 3002.1445668055. The cubic root of 9012872 is about 208.1075011365.
It can be divided in two parts, 901 and 2872, that added together give a palindrome (3773).
The spelling of 9012872 in words is "nine million, twelve thousand, eight hundred seventy-two".
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