Base | Representation |
---|---|
bin | 10001001100100… |
… | …10000111011001 |
3 | 101001102211110120 |
4 | 20212102013121 |
5 | 243412102101 |
6 | 22151503453 |
7 | 3401063565 |
oct | 1046220731 |
9 | 331384416 |
10 | 144253401 |
11 | 74477796 |
12 | 40387b89 |
13 | 23b69356 |
14 | 152306a5 |
15 | c9e6b36 |
hex | 89921d9 |
144253401 has 16 divisors (see below), whose sum is σ = 202245120. Its totient is φ = 91279760.
The previous prime is 144253393. The next prime is 144253429. The reversal of 144253401 is 104352441.
It is a cyclic number.
It is not a de Polignac number, because 144253401 - 23 = 144253393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144253451) 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, 1060 + ... + 17018.
It is an arithmetic number, because the mean of its divisors is an integer number (12640320).
Almost surely, 2144253401 is an apocalyptic number.
It is an amenable number.
144253401 is a deficient number, since it is larger than the sum of its proper divisors (57991719).
144253401 is a wasteful number, since it uses less digits than its factorization.
144253401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16116.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 144253401 is about 12010.5537341123. The cubic root of 144253401 is about 524.4555516779.
The spelling of 144253401 in words is "one hundred forty-four million, two hundred fifty-three thousand, four hundred one".
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