Base | Representation |
---|---|
bin | 10001001111111… |
… | …01011110101010 |
3 | 101002021011201000 |
4 | 20213331132222 |
5 | 244020140122 |
6 | 22205135430 |
7 | 3404604645 |
oct | 1047753652 |
9 | 332234630 |
10 | 144693162 |
11 | 74748129 |
12 | 4055a576 |
13 | 23c91573 |
14 | 15306a5c |
15 | ca820ac |
hex | 89fd7aa |
144693162 has 64 divisors (see below), whose sum is σ = 333244800. Its totient is φ = 46500480.
The previous prime is 144693149. The next prime is 144693163. The reversal of 144693162 is 261396441.
It is a super-2 number, since 2×1446931622 = 41872222259116488, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (144693163) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 277462 + ... + 277982.
It is an arithmetic number, because the mean of its divisors is an integer number (5206950).
Almost surely, 2144693162 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144693162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166622400).
144693162 is an abundant number, since it is smaller than the sum of its proper divisors (188551638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144693162 is a wasteful number, since it uses less digits than its factorization.
144693162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 708 (or 702 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 144693162 is about 12028.8470769230. The cubic root of 144693162 is about 524.9879507439.
The spelling of 144693162 in words is "one hundred forty-four million, six hundred ninety-three thousand, one hundred sixty-two".
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