Base | Representation |
---|---|
bin | 10001001110010… |
… | …11000001001010 |
3 | 101001212200011220 |
4 | 20213023001022 |
5 | 243442031344 |
6 | 22200502510 |
7 | 3403054236 |
oct | 1047130112 |
9 | 331780156 |
10 | 144486474 |
11 | 74616910 |
12 | 4047aa36 |
13 | 23c1b472 |
14 | 152915c6 |
15 | ca40c19 |
hex | 89cb04a |
144486474 has 32 divisors (see below), whose sum is σ = 325416960. Its totient is φ = 42370800.
The previous prime is 144486467. The next prime is 144486481. The reversal of 144486474 is 474684441.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (144486467) and next prime (144486481).
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33264 + ... + 37355.
It is an arithmetic number, because the mean of its divisors is an integer number (10169280).
Almost surely, 2144486474 is an apocalyptic number.
144486474 is an abundant number, since it is smaller than the sum of its proper divisors (180930486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144486474 is a wasteful number, since it uses less digits than its factorization.
144486474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70666.
The product of its digits is 344064, while the sum is 42.
The square root of 144486474 is about 12020.2526595742. The cubic root of 144486474 is about 524.7378573375.
The spelling of 144486474 in words is "one hundred forty-four million, four hundred eighty-six thousand, four hundred seventy-four".
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