Base | Representation |
---|---|
bin | 101011001001111… |
… | …0001010101011101 |
3 | 10201220201012122220 |
4 | 1112103301111131 |
5 | 10431143222024 |
6 | 355404055553 |
7 | 50611665351 |
oct | 12623612535 |
9 | 3656635586 |
10 | 1448023389 |
11 | 68340a44a |
12 | 344b345b9 |
13 | 1a0cc4297 |
14 | da453461 |
15 | 871cde79 |
hex | 564f155d |
1448023389 has 8 divisors (see below), whose sum is σ = 1997273760. Its totient is φ = 932060976.
The previous prime is 1448023289. The next prime is 1448023391. The reversal of 1448023389 is 9833208441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1448023389 - 28 = 1448023133 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1448023389.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1448023289) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8321887 + ... + 8322060.
It is an arithmetic number, because the mean of its divisors is an integer number (249659220).
Almost surely, 21448023389 is an apocalyptic number.
It is an amenable number.
1448023389 is a deficient number, since it is larger than the sum of its proper divisors (549250371).
1448023389 is a wasteful number, since it uses less digits than its factorization.
1448023389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16643979.
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 1448023389 is about 38052.9025042769. The cubic root of 1448023389 is about 1131.3366564510.
The spelling of 1448023389 in words is "one billion, four hundred forty-eight million, twenty-three thousand, three hundred eighty-nine".
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