Base | Representation |
---|---|
bin | 111011111010… |
… | …1100011010000 |
3 | 2012010000120021 |
4 | 1313311203100 |
5 | 31020230410 |
6 | 3041153224 |
7 | 531006256 |
oct | 167654320 |
9 | 65100507 |
10 | 31414480 |
11 | 16807189 |
12 | a62b814 |
13 | 667ba66 |
14 | 425a5d6 |
15 | 2b57eda |
hex | 1df58d0 |
31414480 has 40 divisors (see below), whose sum is σ = 75019752. Its totient is φ = 12225024.
The previous prime is 31414477. The next prime is 31414499. The reversal of 31414480 is 8441413.
It can be written as a sum of positive squares in 4 ways, for example, as 19963024 + 11451456 = 4468^2 + 3384^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347 + ... + 8266.
Almost surely, 231414480 is an apocalyptic number.
It is an amenable number.
31414480 is an abundant number, since it is smaller than the sum of its proper divisors (43605272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31414480 is a wasteful number, since it uses less digits than its factorization.
31414480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10663 (or 10657 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 31414480 is about 5604.8621749335. The cubic root of 31414480 is about 315.5319139275.
Adding to 31414480 its reverse (8441413), we get a palindrome (39855893).
The spelling of 31414480 in words is "thirty-one million, four hundred fourteen thousand, four hundred eighty".
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