Base | Representation |
---|---|
bin | 10001001100101… |
… | …10001001111010 |
3 | 101001110200011100 |
4 | 20212112021322 |
5 | 243413114241 |
6 | 22152112230 |
7 | 3401163042 |
oct | 1046261172 |
9 | 331420140 |
10 | 144269946 |
11 | 74489167 |
12 | 40395676 |
13 | 23b73a42 |
14 | 15236722 |
15 | c9eb9b6 |
hex | 899627a |
144269946 has 24 divisors (see below), whose sum is σ = 312841620. Its totient is φ = 48050496.
The previous prime is 144269933. The next prime is 144269953. The reversal of 144269946 is 649962441.
It can be written as a sum of positive squares in 2 ways, for example, as 142922025 + 1347921 = 11955^2 + 1161^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26550 + ... + 31518.
Almost surely, 2144269946 is an apocalyptic number.
144269946 is an abundant number, since it is smaller than the sum of its proper divisors (168571674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144269946 is a wasteful number, since it uses less digits than its factorization.
144269946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6590 (or 6587 counting only the distinct ones).
The product of its digits is 373248, while the sum is 45.
The square root of 144269946 is about 12011.2424836068. The cubic root of 144269946 is about 524.4756015469.
The spelling of 144269946 in words is "one hundred forty-four million, two hundred sixty-nine thousand, nine hundred forty-six".
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