Base | Representation |
---|---|
bin | 111011001001… |
… | …1010010111000 |
3 | 2011100120111111 |
4 | 1312103102320 |
5 | 30414341044 |
6 | 3024410104 |
7 | 524412031 |
oct | 166232270 |
9 | 64316444 |
10 | 31012024 |
11 | 1656187a |
12 | a476934 |
13 | 656a814 |
14 | 4193a88 |
15 | 2ac8b34 |
hex | 1d934b8 |
31012024 has 16 divisors (see below), whose sum is σ = 58692600. Its totient is φ = 15360672.
The previous prime is 31012021. The next prime is 31012039. The reversal of 31012024 is 42021013.
It is a junction number, because it is equal to n+sod(n) for n = 31011995 and 31012013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31012021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17259 + ... + 18970.
Almost surely, 231012024 is an apocalyptic number.
It is an amenable number.
31012024 is a deficient number, since it is larger than the sum of its proper divisors (27680576).
31012024 is a wasteful number, since it uses less digits than its factorization.
31012024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36342 (or 36338 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 31012024 is about 5568.8440452216. The cubic root of 31012024 is about 314.1786750009.
Adding to 31012024 its reverse (42021013), we get a palindrome (73033037).
The spelling of 31012024 in words is "thirty-one million, twelve thousand, twenty-four".
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