Base | Representation |
---|---|
bin | 10000001011101… |
… | …001101110110100 |
3 | 200220212010020011 |
4 | 100023221232310 |
5 | 1024000134342 |
6 | 42534550004 |
7 | 6504424645 |
oct | 2013515664 |
9 | 626763204 |
10 | 271489972 |
11 | 12a281486 |
12 | 76b08304 |
13 | 44328070 |
14 | 280b16cc |
15 | 18c7b717 |
hex | 102e9bb4 |
271489972 has 12 divisors (see below), whose sum is σ = 511654276. Its totient is φ = 125303040.
The previous prime is 271489951. The next prime is 271489973. The reversal of 271489972 is 279984172.
It can be written as a sum of positive squares in 2 ways, for example, as 20394256 + 251095716 = 4516^2 + 15846^2 .
It is a super-3 number, since 3×2714899723 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (271489973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610429 + ... + 2610532.
Almost surely, 2271489972 is an apocalyptic number.
It is an amenable number.
271489972 is a deficient number, since it is larger than the sum of its proper divisors (240164304).
271489972 is a wasteful number, since it uses less digits than its factorization.
271489972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5220978 (or 5220976 counting only the distinct ones).
The product of its digits is 508032, while the sum is 49.
The square root of 271489972 is about 16476.9527522537. The cubic root of 271489972 is about 647.5171331612.
The spelling of 271489972 in words is "two hundred seventy-one million, four hundred eighty-nine thousand, nine hundred seventy-two".
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