Base | Representation |
---|---|
bin | 111011001001… |
… | …0111001101100 |
3 | 2011100111021210 |
4 | 1312102321230 |
5 | 30414313122 |
6 | 3024354420 |
7 | 524404236 |
oct | 166227154 |
9 | 64314253 |
10 | 31010412 |
11 | 16560644 |
12 | a475a10 |
13 | 6569b74 |
14 | 4193256 |
15 | 2ac840c |
hex | 1d92e6c |
31010412 has 24 divisors (see below), whose sum is σ = 73898496. Its totient is φ = 10116688.
The previous prime is 31010401. The next prime is 31010461. The reversal of 31010412 is 21401013.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 26928 + ... + 28055.
It is an arithmetic number, because the mean of its divisors is an integer number (3079104).
Almost surely, 231010412 is an apocalyptic number.
It is an amenable number.
31010412 is an abundant number, since it is smaller than the sum of its proper divisors (42888084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31010412 is a wasteful number, since it uses less digits than its factorization.
31010412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55037 (or 55035 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 31010412 is about 5568.6993095336. The cubic root of 31010412 is about 314.1732312543.
Adding to 31010412 its reverse (21401013), we get a palindrome (52411425).
The spelling of 31010412 in words is "thirty-one million, ten thousand, four hundred twelve".
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