Base | Representation |
---|---|
bin | 10001011001110… |
… | …01101010101100 |
3 | 101011200222020220 |
4 | 20230321222230 |
5 | 244333111033 |
6 | 22253011340 |
7 | 3421610526 |
oct | 1054715254 |
9 | 334628226 |
10 | 145988268 |
11 | 75452168 |
12 | 40a83b50 |
13 | 24325bba |
14 | 15562a16 |
15 | cc3abb3 |
hex | 8b39aac |
145988268 has 48 divisors (see below), whose sum is σ = 363745536. Its totient is φ = 45460800.
The previous prime is 145988257. The next prime is 145988303. The reversal of 145988268 is 862889541.
145988268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 145988268.
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, 5718 + ... + 18018.
It is an arithmetic number, because the mean of its divisors is an integer number (7578032).
Almost surely, 2145988268 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 145988268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181872768).
145988268 is an abundant number, since it is smaller than the sum of its proper divisors (217757268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145988268 is a wasteful number, since it uses less digits than its factorization.
145988268 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12374 (or 12372 counting only the distinct ones).
The product of its digits is 1105920, while the sum is 51.
The square root of 145988268 is about 12082.5604902272. The cubic root of 145988268 is about 526.5496382251.
The spelling of 145988268 in words is "one hundred forty-five million, nine hundred eighty-eight thousand, two hundred sixty-eight".
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