Base | Representation |
---|---|
bin | 10001001111000… |
… | …01011101001100 |
3 | 101002001100020211 |
4 | 20213201131030 |
5 | 244003002010 |
6 | 22202452204 |
7 | 3403616212 |
oct | 1047413514 |
9 | 332040224 |
10 | 144578380 |
11 | 74679971 |
12 | 40504064 |
13 | 23c5124b |
14 | 152b6cb2 |
15 | ca5d08a |
hex | 89e174c |
144578380 has 24 divisors (see below), whose sum is σ = 303842448. Its totient is φ = 57787968.
The previous prime is 144578347. The next prime is 144578381. The reversal of 144578380 is 83875441.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (144578381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45607 + ... + 48673.
It is an arithmetic number, because the mean of its divisors is an integer number (12660102).
Almost surely, 2144578380 is an apocalyptic number.
144578380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144578380 is an abundant number, since it is smaller than the sum of its proper divisors (159264068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144578380 is a wasteful number, since it uses less digits than its factorization.
144578380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5433 (or 5431 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 144578380 is about 12024.0750163994. The cubic root of 144578380 is about 524.8490934377.
The spelling of 144578380 in words is "one hundred forty-four million, five hundred seventy-eight thousand, three hundred eighty".
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