Base | Representation |
---|---|
bin | 10001001100001… |
… | …01001111010000 |
3 | 101001100011010001 |
4 | 20212011033100 |
5 | 243403410111 |
6 | 22150415344 |
7 | 3400454035 |
oct | 1046051720 |
9 | 331304101 |
10 | 144200656 |
11 | 744410a6 |
12 | 40361554 |
13 | 23b4b342 |
14 | 1521938c |
15 | c9d61c1 |
hex | 89853d0 |
144200656 has 20 divisors (see below), whose sum is σ = 281864772. Its totient is φ = 71461376.
The previous prime is 144200611. The next prime is 144200657. The reversal of 144200656 is 656002441.
It can be written as a sum of positive squares in 2 ways, for example, as 38440000 + 105760656 = 6200^2 + 10284^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144200657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38071 + ... + 41686.
Almost surely, 2144200656 is an apocalyptic number.
144200656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
144200656 is a deficient number, since it is larger than the sum of its proper divisors (137664116).
144200656 is a wasteful number, since it uses less digits than its factorization.
144200656 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79878 (or 79872 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 144200656 is about 12008.3577561630. The cubic root of 144200656 is about 524.3916230170.
The spelling of 144200656 in words is "one hundred forty-four million, two hundred thousand, six hundred fifty-six".
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