Base | Representation |
---|---|
bin | 11000001000100… |
… | …00100110001000 |
3 | 112002221011210020 |
4 | 30010100212020 |
5 | 403311140034 |
6 | 32031020440 |
7 | 5005511151 |
oct | 1404204610 |
9 | 462834706 |
10 | 202443144 |
11 | a4301592 |
12 | 5796a720 |
13 | 32c31357 |
14 | 1cc5a928 |
15 | 12b8d249 |
hex | c110988 |
202443144 has 64 divisors (see below), whose sum is σ = 527523840. Its totient is φ = 64668480.
The previous prime is 202443127. The next prime is 202443151. The reversal of 202443144 is 441344202.
It is a happy number.
202443144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78337 + ... + 80879.
It is an arithmetic number, because the mean of its divisors is an integer number (8242560).
Almost surely, 2202443144 is an apocalyptic number.
202443144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 202443144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263761920).
202443144 is an abundant number, since it is smaller than the sum of its proper divisors (325080696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202443144 is a wasteful number, since it uses less digits than its factorization.
202443144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2690 (or 2686 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 202443144 is about 14228.2516143060. The cubic root of 202443144 is about 587.1751820890.
Adding to 202443144 its reverse (441344202), we get a palindrome (643787346).
The spelling of 202443144 in words is "two hundred two million, four hundred forty-three thousand, one hundred forty-four".
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