Base | Representation |
---|---|
bin | 10001001101001… |
… | …11110000011000 |
3 | 101001121100001111 |
4 | 20212213300120 |
5 | 243422421130 |
6 | 22153430104 |
7 | 3401613163 |
oct | 1046476030 |
9 | 331540044 |
10 | 144342040 |
11 | 74528347 |
12 | 4040b334 |
13 | 23b9a7bb |
14 | 15254ada |
15 | ca1302a |
hex | 89a7c18 |
144342040 has 16 divisors (see below), whose sum is σ = 324769680. Its totient is φ = 57736800.
The previous prime is 144342007. The next prime is 144342041. The reversal of 144342040 is 40243441.
It is a super-2 number, since 2×1443420402 = 41669249022723200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144342041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804236 + ... + 1804315.
It is an arithmetic number, because the mean of its divisors is an integer number (20298105).
Almost surely, 2144342040 is an apocalyptic number.
144342040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144342040 is an abundant number, since it is smaller than the sum of its proper divisors (180427640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144342040 is a wasteful number, since it uses less digits than its factorization.
144342040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3608562 (or 3608558 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 144342040 is about 12014.2432137859. The cubic root of 144342040 is about 524.5629499482.
Adding to 144342040 its reverse (40243441), we get a palindrome (184585481).
The spelling of 144342040 in words is "one hundred forty-four million, three hundred forty-two thousand, forty".
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