Base | Representation |
---|---|
bin | 1001101010000001010100 |
3 | 11202121110000 |
4 | 21222001110 |
5 | 1122001122 |
6 | 130131300 |
7 | 30342132 |
oct | 11520124 |
9 | 4677400 |
10 | 2531412 |
11 | 1479984 |
12 | a20b30 |
13 | 6a82a0 |
14 | 49c752 |
15 | 3500ac |
hex | 26a054 |
2531412 has 60 divisors (see below), whose sum is σ = 7138516. Its totient is φ = 777600.
The previous prime is 2531393. The next prime is 2531413. The reversal of 2531412 is 2141352.
2531412 is a `hidden beast` number, since 253 + 1 + 412 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 1285956 = 1116^2 + 1134^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a zygodrome in base 5.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2531413) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3912 + ... + 4512.
22531412 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2531412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3569258).
2531412 is an abundant number, since it is smaller than the sum of its proper divisors (4607104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2531412 is a wasteful number, since it uses less digits than its factorization.
2531412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630 (or 619 counting only the distinct ones).
The product of its digits is 240, while the sum is 18.
The square root of 2531412 is about 1591.0411685434. The cubic root of 2531412 is about 136.2869517933.
Adding to 2531412 its reverse (2141352), we get a palindrome (4672764).
The spelling of 2531412 in words is "two million, five hundred thirty-one thousand, four hundred twelve".
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