Base | Representation |
---|---|
bin | 10001010011010… |
… | …00010000100000 |
3 | 101010002101122202 |
4 | 20221220100200 |
5 | 244123134103 |
6 | 22222352332 |
7 | 3411406034 |
oct | 1051502040 |
9 | 333071582 |
10 | 145130528 |
11 | 74a16794 |
12 | 4072b6a8 |
13 | 240b566a |
14 | 153bc1c4 |
15 | cb1b988 |
hex | 8a68420 |
145130528 has 12 divisors (see below), whose sum is σ = 285725790. Its totient is φ = 72565248.
The previous prime is 145130507. The next prime is 145130537. The reversal of 145130528 is 825031541.
It can be written as a sum of positive squares in only one way, i.e., 130599184 + 14531344 = 11428^2 + 3812^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 145130528.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267633 + ... + 2267696.
Almost surely, 2145130528 is an apocalyptic number.
It is an amenable number.
145130528 is a deficient number, since it is larger than the sum of its proper divisors (140595262).
145130528 is an equidigital number, since it uses as much as digits as its factorization.
145130528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4535339 (or 4535331 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
The square root of 145130528 is about 12047.0132398035. The cubic root of 145130528 is about 525.5163814227.
The spelling of 145130528 in words is "one hundred forty-five million, one hundred thirty thousand, five hundred twenty-eight".
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