Base | Representation |
---|---|
bin | 10001001100110… |
… | …01111101011010 |
3 | 101001111110112112 |
4 | 20212121331122 |
5 | 243414114110 |
6 | 22152312322 |
7 | 3401256344 |
oct | 1046317532 |
9 | 331443475 |
10 | 144285530 |
11 | 74499944 |
12 | 403a26a2 |
13 | 23b7ab6c |
14 | 1523c294 |
15 | ca01405 |
hex | 8999f5a |
144285530 has 8 divisors (see below), whose sum is σ = 259713972. Its totient is φ = 57714208.
The previous prime is 144285517. The next prime is 144285551. The reversal of 144285530 is 35582441.
It can be written as a sum of positive squares in 2 ways, for example, as 139027681 + 5257849 = 11791^2 + 2293^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7214267 + ... + 7214286.
Almost surely, 2144285530 is an apocalyptic number.
144285530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144285530 is a deficient number, since it is larger than the sum of its proper divisors (115428442).
144285530 is a wasteful number, since it uses less digits than its factorization.
144285530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14428560.
The product of its (nonzero) digits is 19200, while the sum is 32.
The square root of 144285530 is about 12011.8911916484. The cubic root of 144285530 is about 524.4944854372.
The spelling of 144285530 in words is "one hundred forty-four million, two hundred eighty-five thousand, five hundred thirty".
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