Base | Representation |
---|---|
bin | 10001001100100… |
… | …00011111100000 |
3 | 101001102111100022 |
4 | 20212100133200 |
5 | 243411344002 |
6 | 22151413012 |
7 | 3401035316 |
oct | 1046203740 |
9 | 331374308 |
10 | 144246752 |
11 | 744727a1 |
12 | 40384168 |
13 | 23b66310 |
14 | 1522c0b6 |
15 | c9e4ba2 |
hex | 89907e0 |
144246752 has 48 divisors (see below), whose sum is σ = 308184912. Its totient is φ = 66063360.
The previous prime is 144246737. The next prime is 144246797. The reversal of 144246752 is 257642441.
It is a happy number.
It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 55727 + ... + 58257.
It is an arithmetic number, because the mean of its divisors is an integer number (6420519).
Almost surely, 2144246752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144246752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154092456).
144246752 is an abundant number, since it is smaller than the sum of its proper divisors (163938160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144246752 is a wasteful number, since it uses less digits than its factorization.
144246752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2691 (or 2683 counting only the distinct ones).
The product of its digits is 53760, while the sum is 35.
The square root of 144246752 is about 12010.2769326939. The cubic root of 144246752 is about 524.4474937314.
The spelling of 144246752 in words is "one hundred forty-four million, two hundred forty-six thousand, seven hundred fifty-two".
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