Base | Representation |
---|---|
bin | 10001001110111… |
… | …01110000110010 |
3 | 101002000120111110 |
4 | 20213131300302 |
5 | 244002011000 |
6 | 22202254150 |
7 | 3403524126 |
oct | 1047356062 |
9 | 332016443 |
10 | 144563250 |
11 | 74669567 |
12 | 404b7356 |
13 | 23c473b0 |
14 | 152b1586 |
15 | ca58850 |
hex | 89ddc32 |
144563250 has 64 divisors (see below), whose sum is σ = 388612224. Its totient is φ = 35582400.
The previous prime is 144563249. The next prime is 144563297. The reversal of 144563250 is 52365441.
144563250 is digitally balanced in base 2, 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 (30).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2337 + ... + 17163.
It is an arithmetic number, because the mean of its divisors is an integer number (6072066).
Almost surely, 2144563250 is an apocalyptic number.
144563250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 144563250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194306112).
144563250 is an abundant number, since it is smaller than the sum of its proper divisors (244048974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144563250 is a wasteful number, since it uses less digits than its factorization.
144563250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14860 (or 14850 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 144563250 is about 12023.4458455137. The cubic root of 144563250 is about 524.8307844674.
The spelling of 144563250 in words is "one hundred forty-four million, five hundred sixty-three thousand, two hundred fifty".
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