Base | Representation |
---|---|
bin | 10001010010111… |
… | …00001110110000 |
3 | 101002222220002011 |
4 | 20221130032300 |
5 | 244120100024 |
6 | 22221332304 |
7 | 3411112306 |
oct | 1051341660 |
9 | 332886064 |
10 | 145081264 |
11 | 74992779 |
12 | 40707094 |
13 | 24099103 |
14 | 153a8276 |
15 | cb0c094 |
hex | 8a5c3b0 |
145081264 has 80 divisors (see below), whose sum is σ = 318729600. Its totient is φ = 63562752.
The previous prime is 145081259. The next prime is 145081267. The reversal of 145081264 is 462180541.
It is not an unprimeable number, because it can be changed into a prime (145081267) 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, 346047 + ... + 346465.
It is an arithmetic number, because the mean of its divisors is an integer number (3984120).
Almost surely, 2145081264 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 145081264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159364800).
145081264 is an abundant number, since it is smaller than the sum of its proper divisors (173648336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145081264 is a wasteful number, since it uses less digits than its factorization.
145081264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530 (or 524 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 145081264 is about 12044.9684100873. The cubic root of 145081264 is about 525.4569131881.
The spelling of 145081264 in words is "one hundred forty-five million, eighty-one thousand, two hundred sixty-four".
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