Base | Representation |
---|---|
bin | 10001010000010… |
… | …10001101011110 |
3 | 101002100211020102 |
4 | 20220022031132 |
5 | 244023322220 |
6 | 22210221102 |
7 | 3405212663 |
oct | 1050121536 |
9 | 332324212 |
10 | 144745310 |
11 | 74783326 |
12 | 40584792 |
13 | 23cac218 |
14 | 1531ba6a |
15 | ca92775 |
hex | 8a0a35e |
144745310 has 32 divisors (see below), whose sum is σ = 282297312. Its totient is φ = 53222400.
The previous prime is 144745297. The next prime is 144745319. The reversal of 144745310 is 13547441.
It is a happy number.
It is a super-2 number, since 2×1447453102 = 41902409533992200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144745319) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2591 + ... + 17210.
It is an arithmetic number, because the mean of its divisors is an integer number (8821791).
Almost surely, 2144745310 is an apocalyptic number.
144745310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144745310 is a deficient number, since it is larger than the sum of its proper divisors (137552002).
144745310 is a wasteful number, since it uses less digits than its factorization.
144745310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19868.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 144745310 is about 12031.0145041887. The cubic root of 144745310 is about 525.0510124279.
The spelling of 144745310 in words is "one hundred forty-four million, seven hundred forty-five thousand, three hundred ten".
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