Base | Representation |
---|---|
bin | 101010100011101… |
… | …0010001101100111 |
3 | 10200111222112122200 |
4 | 1111013102031213 |
5 | 10411030113332 |
6 | 353410225543 |
7 | 50246366331 |
oct | 12507221547 |
9 | 3614875580 |
10 | 1427972967 |
11 | 673065253 |
12 | 33a2852b3 |
13 | 199ac3c25 |
14 | d7914451 |
15 | 8556d17c |
hex | 551d2367 |
1427972967 has 24 divisors (see below), whose sum is σ = 2090685168. Its totient is φ = 939120000.
The previous prime is 1427972899. The next prime is 1427972971. The reversal of 1427972967 is 7692797241.
It is not a de Polignac number, because 1427972967 - 214 = 1427956583 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1427972167) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200467 + ... + 207467.
It is an arithmetic number, because the mean of its divisors is an integer number (87111882).
Almost surely, 21427972967 is an apocalyptic number.
1427972967 is a deficient number, since it is larger than the sum of its proper divisors (662712201).
1427972967 is a wasteful number, since it uses less digits than its factorization.
1427972967 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7311 (or 7308 counting only the distinct ones).
The product of its digits is 2667168, while the sum is 54.
The square root of 1427972967 is about 37788.5295691695. The cubic root of 1427972967 is about 1126.0905880593.
The spelling of 1427972967 in words is "one billion, four hundred twenty-seven million, nine hundred seventy-two thousand, nine hundred sixty-seven".
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