Base | Representation |
---|---|
bin | 10001010001110… |
… | …11111001000010 |
3 | 101002202011101011 |
4 | 20220323321002 |
5 | 244101330202 |
6 | 22214431134 |
7 | 3410021155 |
oct | 1050737102 |
9 | 332664334 |
10 | 144948802 |
11 | 749021a9 |
12 | 406624aa |
13 | 24050a2b |
14 | 15371c9c |
15 | cad2bd7 |
hex | 8a3be42 |
144948802 has 4 divisors (see below), whose sum is σ = 217423206. Its totient is φ = 72474400.
The previous prime is 144948787. The next prime is 144948809. The reversal of 144948802 is 208849441.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208849441 = 1423 ⋅146767.
It can be written as a sum of positive squares in only one way, i.e., 85211361 + 59737441 = 9231^2 + 7729^2 .
It is not an unprimeable number, because it can be changed into a prime (144948809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36237199 + ... + 36237202.
Almost surely, 2144948802 is an apocalyptic number.
144948802 is a deficient number, since it is larger than the sum of its proper divisors (72474404).
144948802 is an equidigital number, since it uses as much as digits as its factorization.
144948802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72474403.
The product of its (nonzero) digits is 73728, while the sum is 40.
The square root of 144948802 is about 12039.4685098637. The cubic root of 144948802 is about 525.2969470527.
The spelling of 144948802 in words is "one hundred forty-four million, nine hundred forty-eight thousand, eight hundred two".
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