Base | Representation |
---|---|
bin | 10001001100100… |
… | …01110110101010 |
3 | 101001102202222220 |
4 | 20212101312222 |
5 | 243412033310 |
6 | 22151454510 |
7 | 3401060505 |
oct | 1046216652 |
9 | 331382886 |
10 | 144252330 |
11 | 74476a02 |
12 | 40387436 |
13 | 23b68a11 |
14 | 1523013c |
15 | c9e6670 |
hex | 8991daa |
144252330 has 32 divisors (see below), whose sum is σ = 346593600. Its totient is φ = 38424192.
The previous prime is 144252323. The next prime is 144252337. The reversal of 144252330 is 33252441.
It is an interprime number because it is at equal distance from previous prime (144252323) and next prime (144252337).
It is a self number, because there is not a number n which added to its sum of digits gives 144252330.
It is not an unprimeable number, because it can be changed into a prime (144252337) 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 in 15 ways as a sum of consecutive naturals, for example, 31741 + ... + 35999.
It is an arithmetic number, because the mean of its divisors is an integer number (10831050).
Almost surely, 2144252330 is an apocalyptic number.
144252330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144252330 is an abundant number, since it is smaller than the sum of its proper divisors (202341270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144252330 is a wasteful number, since it uses less digits than its factorization.
144252330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5398.
The product of its (nonzero) digits is 2880, while the sum is 24.
The square root of 144252330 is about 12010.5091482418. The cubic root of 144252330 is about 524.4542537459.
The spelling of 144252330 in words is "one hundred forty-four million, two hundred fifty-two thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •