Base | Representation |
---|---|
bin | 10001001010110… |
… | …11111000101011 |
3 | 101001000112202200 |
4 | 20211123320223 |
5 | 243333000100 |
6 | 22143031243 |
7 | 3366150153 |
oct | 1045337053 |
9 | 331015680 |
10 | 144031275 |
11 | 74335913 |
12 | 4029b523 |
13 | 23abc20b |
14 | 151b3763 |
15 | c9a0e00 |
hex | 895be2b |
144031275 has 18 divisors (see below), whose sum is σ = 257976420. Its totient is φ = 76816560.
The previous prime is 144031271. The next prime is 144031291. The reversal of 144031275 is 572130441.
It is not a de Polignac number, because 144031275 - 22 = 144031271 is a prime.
It is a super-3 number, since 3×1440312753 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (144031271) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 319845 + ... + 320294.
Almost surely, 2144031275 is an apocalyptic number.
144031275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
144031275 is a deficient number, since it is larger than the sum of its proper divisors (113945145).
144031275 is a wasteful number, since it uses less digits than its factorization.
144031275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 640155 (or 640147 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 144031275 is about 12001.3030542521. The cubic root of 144031275 is about 524.1862222464.
The spelling of 144031275 in words is "one hundred forty-four million, thirty-one thousand, two hundred seventy-five".
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