Base | Representation |
---|---|
bin | 10001010001011… |
… | …01101001111111 |
3 | 101002122012101122 |
4 | 20220231221333 |
5 | 244042443440 |
6 | 22213301155 |
7 | 3406356161 |
oct | 1050555177 |
9 | 332565348 |
10 | 144890495 |
11 | 74872412 |
12 | 406347bb |
13 | 24030329 |
14 | 15358931 |
15 | cac07b5 |
hex | 8a2da7f |
144890495 has 4 divisors (see below), whose sum is σ = 173868600. Its totient is φ = 115912392.
The previous prime is 144890477. The next prime is 144890509. The reversal of 144890495 is 594098441.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 144890495 - 210 = 144889471 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14489045 + ... + 14489054.
It is an arithmetic number, because the mean of its divisors is an integer number (43467150).
Almost surely, 2144890495 is an apocalyptic number.
144890495 is a deficient number, since it is larger than the sum of its proper divisors (28978105).
144890495 is an equidigital number, since it uses as much as digits as its factorization.
144890495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28978104.
The product of its (nonzero) digits is 207360, while the sum is 44.
The square root of 144890495 is about 12037.0467723607. The cubic root of 144890495 is about 525.2265024165.
The spelling of 144890495 in words is "one hundred forty-four million, eight hundred ninety thousand, four hundred ninety-five".
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