Base | Representation |
---|---|
bin | 10001001010111… |
… | …11000111101000 |
3 | 101001001012221020 |
4 | 20211133013220 |
5 | 243333411040 |
6 | 22143212440 |
7 | 3366233604 |
oct | 1045370750 |
9 | 331035836 |
10 | 144044520 |
11 | 74344864 |
12 | 402a7120 |
13 | 23ac5259 |
14 | 151b8504 |
15 | c9a4cd0 |
hex | 895f1e8 |
144044520 has 32 divisors (see below), whose sum is σ = 432133920. Its totient is φ = 38411840.
The previous prime is 144044503. The next prime is 144044531. The reversal of 144044520 is 25440441.
It is a happy number.
144044520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600066 + ... + 600305.
It is an arithmetic number, because the mean of its divisors is an integer number (13504185).
Almost surely, 2144044520 is an apocalyptic number.
144044520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144044520 is an abundant number, since it is smaller than the sum of its proper divisors (288089400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144044520 is a wasteful number, since it uses less digits than its factorization.
144044520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1200385 (or 1200381 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 144044520 is about 12001.8548566461. The cubic root of 144044520 is about 524.2022896681.
Adding to 144044520 its reverse (25440441), we get a palindrome (169484961).
The spelling of 144044520 in words is "one hundred forty-four million, forty-four thousand, five hundred twenty".
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