Base | Representation |
---|---|
bin | 10001001010111… |
… | …10100110111110 |
3 | 101001001010001211 |
4 | 20211132212332 |
5 | 243333324210 |
6 | 22143155034 |
7 | 3366224530 |
oct | 1045364676 |
9 | 331033054 |
10 | 144042430 |
11 | 74343234 |
12 | 402a5a7a |
13 | 23ac430c |
14 | 151b7850 |
15 | c9a438a |
hex | 895e9be |
144042430 has 64 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 46598400.
The previous prime is 144042427. The next prime is 144042473. The reversal of 144042430 is 34240441.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88161 + ... + 89779.
It is an arithmetic number, because the mean of its divisors is an integer number (4898880).
Almost surely, 2144042430 is an apocalyptic number.
144042430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144042430 is an abundant number, since it is smaller than the sum of its proper divisors (169485890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144042430 is a wasteful number, since it uses less digits than its factorization.
144042430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1705.
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 144042430 is about 12001.7677864555. The cubic root of 144042430 is about 524.1997543684.
Adding to 144042430 its reverse (34240441), we get a palindrome (178282871).
The spelling of 144042430 in words is "one hundred forty-four million, forty-two thousand, four hundred thirty".
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