Base | Representation |
---|---|
bin | 10001001110001… |
… | …00010010000110 |
3 | 101001211021100010 |
4 | 20213010102012 |
5 | 243440141021 |
6 | 22200131050 |
7 | 3402610635 |
oct | 1047042206 |
9 | 331737303 |
10 | 144458886 |
11 | 745a8110 |
12 | 40466a86 |
13 | 23c0ba40 |
14 | 1528551c |
15 | ca37976 |
hex | 89c4486 |
144458886 has 64 divisors (see below), whose sum is σ = 342994176. Its totient is φ = 39984000.
The previous prime is 144458869. The next prime is 144458903. The reversal of 144458886 is 688854441.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (144458869) and next prime (144458903).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85825 + ... + 87491.
It is an arithmetic number, because the mean of its divisors is an integer number (5359284).
Almost surely, 2144458886 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144458886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171497088).
144458886 is an abundant number, since it is smaller than the sum of its proper divisors (198535290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144458886 is a wasteful number, since it uses less digits than its factorization.
144458886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1797.
The product of its digits is 983040, while the sum is 48.
The square root of 144458886 is about 12019.1050415578. The cubic root of 144458886 is about 524.7044576956.
The spelling of 144458886 in words is "one hundred forty-four million, four hundred fifty-eight thousand, eight hundred eighty-six".
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