Base | Representation |
---|---|
bin | 10001001010110… |
… | …11101011000000 |
3 | 101001000111120021 |
4 | 20211123223000 |
5 | 243332433100 |
6 | 22143023224 |
7 | 3366144463 |
oct | 1045335300 |
9 | 331014507 |
10 | 144030400 |
11 | 74335198 |
12 | 4029ab14 |
13 | 23abb9b7 |
14 | 151b32da |
15 | c9a0a1a |
hex | 895bac0 |
144030400 has 42 divisors (see below), whose sum is σ = 354408740. Its totient is φ = 57611520.
The previous prime is 144030379. The next prime is 144030427. The reversal of 144030400 is 4030441.
It is a super-2 number, since 2×1440304002 = 41489512248320000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43410 + ... + 46609.
Almost surely, 2144030400 is an apocalyptic number.
144030400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144030400 is an abundant number, since it is smaller than the sum of its proper divisors (210378340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144030400 is an equidigital number, since it uses as much as digits as its factorization.
144030400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90041 (or 90026 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 144030400 is about 12001.2665998219. The cubic root of 144030400 is about 524.1851607550.
Adding to 144030400 its reverse (4030441), we get a palindrome (148060841).
The spelling of 144030400 in words is "one hundred forty-four million, thirty thousand, four hundred".
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