Base | Representation |
---|---|
bin | 10000001011100… |
… | …110111001001101 |
3 | 200220211112021200 |
4 | 100023212321031 |
5 | 1023444301344 |
6 | 42534420113 |
7 | 6504346032 |
oct | 2013467115 |
9 | 626745250 |
10 | 271478349 |
11 | 12a27377a |
12 | 76b01639 |
13 | 4432299c |
14 | 280ab389 |
15 | 18c78069 |
hex | 102e6e4d |
271478349 has 12 divisors (see below), whose sum is σ = 399534876. Its totient is φ = 177570432.
The previous prime is 271478329. The next prime is 271478357. The reversal of 271478349 is 943874172.
It can be written as a sum of positive squares in 2 ways, for example, as 97713225 + 173765124 = 9885^2 + 13182^2 .
It is not a de Polignac number, because 271478349 - 29 = 271477837 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (271478329) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284092 + ... + 285045.
It is an arithmetic number, because the mean of its divisors is an integer number (33294573).
Almost surely, 2271478349 is an apocalyptic number.
It is an amenable number.
271478349 is a deficient number, since it is larger than the sum of its proper divisors (128056527).
271478349 is a wasteful number, since it uses less digits than its factorization.
271478349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 569196 (or 569193 counting only the distinct ones).
The product of its digits is 338688, while the sum is 45.
The square root of 271478349 is about 16476.6000436983. The cubic root of 271478349 is about 647.5078925510.
The spelling of 271478349 in words is "two hundred seventy-one million, four hundred seventy-eight thousand, three hundred forty-nine".
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