Base | Representation |
---|---|
bin | 111011001000… |
… | …0011101011010 |
3 | 2011022222120100 |
4 | 1312100131122 |
5 | 30414003120 |
6 | 3024240230 |
7 | 524333130 |
oct | 166203532 |
9 | 64288510 |
10 | 31000410 |
11 | 16554081 |
12 | a470076 |
13 | 656544c |
14 | 418d750 |
15 | 2ac5490 |
hex | 1d9075a |
31000410 has 48 divisors (see below), whose sum is σ = 92117376. Its totient is φ = 7085664.
The previous prime is 31000397. The next prime is 31000421. The reversal of 31000410 is 1400013.
It is a super-2 number, since 2×310004102 = 1922050840336200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
31000410 is a modest number, since divided by 410 gives 310 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 31000392 and 31000401.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 23974 + ... + 25233.
It is an arithmetic number, because the mean of its divisors is an integer number (1919112).
Almost surely, 231000410 is an apocalyptic number.
31000410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31000410 is an abundant number, since it is smaller than the sum of its proper divisors (61116966).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31000410 is a wasteful number, since it uses less digits than its factorization.
31000410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49227 (or 49224 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 31000410 is about 5567.8011817952. The cubic root of 31000410 is about 314.1394501428.
Adding to 31000410 its reverse (1400013), we get a palindrome (32400423).
The spelling of 31000410 in words is "thirty-one million, four hundred ten", and thus it is an aban number.
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