Base | Representation |
---|---|
bin | 10001001100100… |
… | …10011100000101 |
3 | 101001102220021121 |
4 | 20212102130011 |
5 | 243412122400 |
6 | 22151513541 |
7 | 3401100466 |
oct | 1046223405 |
9 | 331386247 |
10 | 144254725 |
11 | 7447878a |
12 | 403888b1 |
13 | 23b69b34 |
14 | 15230d6d |
15 | c9e721a |
hex | 8992705 |
144254725 has 12 divisors (see below), whose sum is σ = 180550944. Its totient is φ = 114323120.
The previous prime is 144254717. The next prime is 144254731. The reversal of 144254725 is 527452441.
It is not a de Polignac number, because 144254725 - 23 = 144254717 is a prime.
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 11 ways as a sum of consecutive naturals, for example, 24289 + ... + 29638.
It is an arithmetic number, because the mean of its divisors is an integer number (15045912).
Almost surely, 2144254725 is an apocalyptic number.
It is an amenable number.
144254725 is a deficient number, since it is larger than the sum of its proper divisors (36296219).
144254725 is a wasteful number, since it uses less digits than its factorization.
144254725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54044 (or 54039 counting only the distinct ones).
The product of its digits is 44800, while the sum is 34.
The square root of 144254725 is about 12010.6088521773. The cubic root of 144254725 is about 524.4571562085.
The spelling of 144254725 in words is "one hundred forty-four million, two hundred fifty-four thousand, seven hundred twenty-five".
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