Base | Representation |
---|---|
bin | 11110101010011… |
… | …111011001101000 |
3 | 1022212001000210020 |
4 | 132222133121220 |
5 | 2023200031034 |
6 | 123014320440 |
7 | 15514540140 |
oct | 3652373150 |
9 | 1285030706 |
10 | 514455144 |
11 | 24443a845 |
12 | 124359120 |
13 | 82776738 |
14 | 4c479920 |
15 | 30271249 |
hex | 1ea9f668 |
514455144 has 64 divisors (see below), whose sum is σ = 1483660800. Its totient is φ = 145608384.
The previous prime is 514455133. The next prime is 514455169. The reversal of 514455144 is 441554415.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3667 + ... + 32285.
It is an arithmetic number, because the mean of its divisors is an integer number (23182200).
Almost surely, 2514455144 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 514455144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741830400).
514455144 is an abundant number, since it is smaller than the sum of its proper divisors (969205656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
514455144 is a wasteful number, since it uses less digits than its factorization.
514455144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28742 (or 28738 counting only the distinct ones).
The product of its digits is 32000, while the sum is 33.
The square root of 514455144 is about 22681.6036470087. The cubic root of 514455144 is about 801.2766823523.
The spelling of 514455144 in words is "five hundred fourteen million, four hundred fifty-five thousand, one hundred forty-four".
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