Base | Representation |
---|---|
bin | 101001010000110… |
… | …0111000010101011 |
3 | 10120111021001002101 |
4 | 1102201213002223 |
5 | 10313420324004 |
6 | 345215314231 |
7 | 46211262463 |
oct | 12241470253 |
9 | 3514231071 |
10 | 1384542379 |
11 | 6505a1200 |
12 | 32781b977 |
13 | 190ac8a5c |
14 | d1c4aba3 |
15 | 8183eba4 |
hex | 528670ab |
1384542379 has 6 divisors (see below), whose sum is σ = 1521852500. Its totient is φ = 1258674780.
The previous prime is 1384542361. The next prime is 1384542421. The reversal of 1384542379 is 9732454831.
It is not a de Polignac number, because 1384542379 - 211 = 1384540331 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1384542329) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5721129 + ... + 5721370.
Almost surely, 21384542379 is an apocalyptic number.
1384542379 is a deficient number, since it is larger than the sum of its proper divisors (137310121).
1384542379 is a wasteful number, since it uses less digits than its factorization.
1384542379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11442521 (or 11442510 counting only the distinct ones).
The product of its digits is 725760, while the sum is 46.
The square root of 1384542379 is about 37209.4393803508. The cubic root of 1384542379 is about 1114.5564884655.
The spelling of 1384542379 in words is "one billion, three hundred eighty-four million, five hundred forty-two thousand, three hundred seventy-nine".
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