Base | Representation |
---|---|
bin | 10001010110010… |
… | …00011000011010 |
3 | 101010211101202001 |
4 | 20223020120122 |
5 | 244223234000 |
6 | 22235031214 |
7 | 3414635644 |
oct | 1053103032 |
9 | 333741661 |
10 | 145524250 |
11 | 75165583 |
12 | 4089b50a |
13 | 241c2931 |
14 | 15481894 |
15 | cb9846a |
hex | 8ac861a |
145524250 has 64 divisors (see below), whose sum is σ = 292245408. Its totient is φ = 54067200.
The previous prime is 145524229. The next prime is 145524257. The reversal of 145524250 is 52425541.
It can be written as a sum of positive squares in 16 ways, for example, as 2745649 + 142778601 = 1657^2 + 11949^2 .
It is not an unprimeable number, because it can be changed into a prime (145524257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412074 + ... + 412426.
Almost surely, 2145524250 is an apocalyptic number.
145524250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145524250 is an abundant number, since it is smaller than the sum of its proper divisors (146721158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145524250 is a wasteful number, since it uses less digits than its factorization.
145524250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 484 (or 474 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 28.
The square root of 145524250 is about 12063.3432347753. The cubic root of 145524250 is about 525.9911736436.
Adding to 145524250 its reverse (52425541), we get a palindrome (197949791).
The spelling of 145524250 in words is "one hundred forty-five million, five hundred twenty-four thousand, two hundred fifty".
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