Base | Representation |
---|---|
bin | 100101111111010… |
… | …1111111011001111 |
3 | 10021211122112010120 |
4 | 1023332233323033 |
5 | 10102313143211 |
6 | 330254040023 |
7 | 43406054256 |
oct | 11376577317 |
9 | 3254575116 |
10 | 1274740431 |
11 | 5a4615398 |
12 | 2b6aa9013 |
13 | 1741328a3 |
14 | c142779d |
15 | 76da0d06 |
hex | 4bfafecf |
1274740431 has 16 divisors (see below), whose sum is σ = 1778526720. Its totient is φ = 810597920.
The previous prime is 1274740421. The next prime is 1274740451. The reversal of 1274740431 is 1340474721.
It is a cyclic number.
It is not a de Polignac number, because 1274740431 - 219 = 1274216143 is a prime.
It is a super-2 number, since 2×12747404312 = 3249926332852131522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1274740392 and 1274740401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1274740421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960 + ... + 50501.
It is an arithmetic number, because the mean of its divisors is an integer number (111157920).
Almost surely, 21274740431 is an apocalyptic number.
1274740431 is a deficient number, since it is larger than the sum of its proper divisors (503786289).
1274740431 is a wasteful number, since it uses less digits than its factorization.
1274740431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51846.
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 1274740431 is about 35703.5072646932. The cubic root of 1274740431 is about 1084.2778522663.
The spelling of 1274740431 in words is "one billion, two hundred seventy-four million, seven hundred forty thousand, four hundred thirty-one".
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