Base | Representation |
---|---|
bin | 10001010010111… |
… | …00011110000000 |
3 | 101002222221102022 |
4 | 20221130132000 |
5 | 244120112430 |
6 | 22221341012 |
7 | 3411115202 |
oct | 1051343600 |
9 | 332887368 |
10 | 145082240 |
11 | 74993486 |
12 | 40707768 |
13 | 240996a4 |
14 | 153a8772 |
15 | cb0c4e5 |
hex | 8a5c780 |
145082240 has 32 divisors (see below), whose sum is σ = 346838760. Its totient is φ = 58032640.
The previous prime is 145082219. The next prime is 145082293. The reversal of 145082240 is 42280541.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 112706 + ... + 113985.
Almost surely, 2145082240 is an apocalyptic number.
145082240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145082240 is an abundant number, since it is smaller than the sum of its proper divisors (201756520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145082240 is an equidigital number, since it uses as much as digits as its factorization.
145082240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226710 (or 226698 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 26.
The square root of 145082240 is about 12045.0089248618. The cubic root of 145082240 is about 525.4580914813.
The spelling of 145082240 in words is "one hundred forty-five million, eighty-two thousand, two hundred forty".
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