Base | Representation |
---|---|
bin | 10001001111000… |
… | …10000101010000 |
3 | 101002001110202210 |
4 | 20213202011100 |
5 | 244003042234 |
6 | 22202512120 |
7 | 3403626534 |
oct | 1047420520 |
9 | 332043683 |
10 | 144580944 |
11 | 74680892 |
12 | 40505640 |
13 | 23c52471 |
14 | 152b7bc4 |
15 | ca5dbe9 |
hex | 89e2150 |
144580944 has 80 divisors (see below), whose sum is σ = 392510592. Its totient is φ = 45771264.
The previous prime is 144580913. The next prime is 144580949. The reversal of 144580944 is 449085441.
It is a super-2 number, since 2×1445809442 = 41807298735862272, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144580949) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190614 + ... + 191370.
Almost surely, 2144580944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144580944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196255296).
144580944 is an abundant number, since it is smaller than the sum of its proper divisors (247929648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144580944 is a wasteful number, since it uses less digits than its factorization.
144580944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 964 (or 958 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 39.
The square root of 144580944 is about 12024.1816353546. The cubic root of 144580944 is about 524.8521960342.
The spelling of 144580944 in words is "one hundred forty-four million, five hundred eighty thousand, nine hundred forty-four".
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