Base | Representation |
---|---|
bin | 10000001001111… |
… | …100100010111101 |
3 | 200220000101202100 |
4 | 100021330202331 |
5 | 1023341331444 |
6 | 42521215313 |
7 | 6500553045 |
oct | 2011744275 |
9 | 626011670 |
10 | 271042749 |
11 | 129aa647a |
12 | 76931539 |
13 | 441cc633 |
14 | 27dd6725 |
15 | 18bdde69 |
hex | 1027c8bd |
271042749 has 24 divisors (see below), whose sum is σ = 403782912. Its totient is φ = 175105440.
The previous prime is 271042711. The next prime is 271042753. The reversal of 271042749 is 947240172.
It is not a de Polignac number, because 271042749 - 27 = 271042621 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (271042769) 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, 40459 + ... + 46679.
It is an arithmetic number, because the mean of its divisors is an integer number (16824288).
Almost surely, 2271042749 is an apocalyptic number.
It is an amenable number.
271042749 is a deficient number, since it is larger than the sum of its proper divisors (132740163).
271042749 is a wasteful number, since it uses less digits than its factorization.
271042749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6377 (or 6374 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The square root of 271042749 is about 16463.3759903612. The cubic root of 271042749 is about 647.1613880258.
The spelling of 271042749 in words is "two hundred seventy-one million, forty-two thousand, seven hundred forty-nine".
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