Base | Representation |
---|---|
bin | 10001010001011… |
… | …11101011101010 |
3 | 101002122121210000 |
4 | 20220233223222 |
5 | 244043230134 |
6 | 22213403430 |
7 | 3406422315 |
oct | 1050575352 |
9 | 332577700 |
10 | 144898794 |
11 | 74878677 |
12 | 40639576 |
13 | 24034041 |
14 | 1535b97c |
15 | cac2e99 |
hex | 8a2faea |
144898794 has 40 divisors (see below), whose sum is σ = 328063428. Its totient is φ = 47796480.
The previous prime is 144898783. The next prime is 144898801. The reversal of 144898794 is 497898441.
It can be written as a sum of positive squares in 2 ways, for example, as 137945025 + 6953769 = 11745^2 + 2637^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 144898794.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11104 + ... + 20324.
Almost surely, 2144898794 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144898794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164031714).
144898794 is an abundant number, since it is smaller than the sum of its proper divisors (183164634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144898794 is an equidigital number, since it uses as much as digits as its factorization.
144898794 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9332 (or 9323 counting only the distinct ones).
The product of its digits is 2322432, while the sum is 54.
The square root of 144898794 is about 12037.3914948381. The cubic root of 144898794 is about 525.2365301539.
The spelling of 144898794 in words is "one hundred forty-four million, eight hundred ninety-eight thousand, seven hundred ninety-four".
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