Base | Representation |
---|---|
bin | 10001010000001… |
… | …01010011101110 |
3 | 101002022210200201 |
4 | 20220011103232 |
5 | 244022201410 |
6 | 22205544114 |
7 | 3405100306 |
oct | 1050052356 |
9 | 332283621 |
10 | 144725230 |
11 | 7476a231 |
12 | 4057503a |
13 | 23ca3040 |
14 | 15314606 |
15 | ca8b83a |
hex | 8a054ee |
144725230 has 32 divisors (see below), whose sum is σ = 285314400. Its totient is φ = 52528512.
The previous prime is 144725227. The next prime is 144725239. The reversal of 144725230 is 32527441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144725239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1765 + ... + 17104.
It is an arithmetic number, because the mean of its divisors is an integer number (8916075).
Almost surely, 2144725230 is an apocalyptic number.
144725230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144725230 is a deficient number, since it is larger than the sum of its proper divisors (140589170).
144725230 is a wasteful number, since it uses less digits than its factorization.
144725230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18948.
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 144725230 is about 12030.1799654037. The cubic root of 144725230 is about 525.0267318210.
The spelling of 144725230 in words is "one hundred forty-four million, seven hundred twenty-five thousand, two hundred thirty".
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