Base | Representation |
---|---|
bin | 10001010000011… |
… | …10110111111100 |
3 | 101002101210102220 |
4 | 20220032313330 |
5 | 244024430122 |
6 | 22210445340 |
7 | 3405322452 |
oct | 1050166774 |
9 | 332353386 |
10 | 144764412 |
11 | 74796711 |
12 | 40593850 |
13 | 23cb7b20 |
14 | 153249d2 |
15 | ca9825c |
hex | 8a0edfc |
144764412 has 48 divisors (see below), whose sum is σ = 370651680. Its totient is φ = 43699968.
The previous prime is 144764393. The next prime is 144764423. The reversal of 144764412 is 214467441.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487 + ... + 17022.
It is an arithmetic number, because the mean of its divisors is an integer number (7721910).
Almost surely, 2144764412 is an apocalyptic number.
144764412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144764412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185325840).
144764412 is an abundant number, since it is smaller than the sum of its proper divisors (225887268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144764412 is a wasteful number, since it uses less digits than its factorization.
144764412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17582 (or 17580 counting only the distinct ones).
The product of its digits is 21504, while the sum is 33.
The square root of 144764412 is about 12031.8083428884. The cubic root of 144764412 is about 525.0741083593.
The spelling of 144764412 in words is "one hundred forty-four million, seven hundred sixty-four thousand, four hundred twelve".
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