Base | Representation |
---|---|
bin | 10001010010011… |
… | …11011011001100 |
3 | 101002220020010111 |
4 | 20221033123030 |
5 | 244111410222 |
6 | 22220245404 |
7 | 3410503345 |
oct | 1051173314 |
9 | 332806114 |
10 | 145028812 |
11 | 74957325 |
12 | 406a0864 |
13 | 2407b286 |
14 | 153930cc |
15 | caeb777 |
hex | 8a4f6cc |
145028812 has 24 divisors (see below), whose sum is σ = 256838400. Its totient is φ = 71652240.
The previous prime is 145028791. The next prime is 145028813. The reversal of 145028812 is 218820541.
145028812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (145028813) 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, 132387 + ... + 133477.
It is an arithmetic number, because the mean of its divisors is an integer number (10701600).
Almost surely, 2145028812 is an apocalyptic number.
It is an amenable number.
145028812 is a deficient number, since it is larger than the sum of its proper divisors (111809588).
145028812 is a wasteful number, since it uses less digits than its factorization.
145028812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 31.
The square root of 145028812 is about 12042.7908725511. The cubic root of 145028812 is about 525.3935818123.
The spelling of 145028812 in words is "one hundred forty-five million, twenty-eight thousand, eight hundred twelve".
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