Base | Representation |
---|---|
bin | 111011001001… |
… | …1111100001010 |
3 | 2011100201010100 |
4 | 1312103330022 |
5 | 30414432131 |
6 | 3024430230 |
7 | 524422524 |
oct | 166237412 |
9 | 64321110 |
10 | 31014666 |
11 | 16563861 |
12 | a478376 |
13 | 656ba97 |
14 | 4194a14 |
15 | 2ac97e6 |
hex | 1d93f0a |
31014666 has 12 divisors (see below), whose sum is σ = 67198482. Its totient is φ = 10338216.
The previous prime is 31014661. The next prime is 31014667. The reversal of 31014666 is 66641013.
It can be written as a sum of positive squares in only one way, i.e., 25857225 + 5157441 = 5085^2 + 2271^2 .
It is a nialpdrome in base 9.
It is not an unprimeable number, because it can be changed into a prime (31014661) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 861501 + ... + 861536.
Almost surely, 231014666 is an apocalyptic number.
31014666 is an abundant number, since it is smaller than the sum of its proper divisors (36183816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31014666 is a wasteful number, since it uses less digits than its factorization.
31014666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1723045 (or 1723042 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 31014666 is about 5569.0812527741. The cubic root of 31014666 is about 314.1875966640.
Adding to 31014666 its reverse (66641013), we get a palindrome (97655679).
The spelling of 31014666 in words is "thirty-one million, fourteen thousand, six hundred sixty-six".
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