Base | Representation |
---|---|
bin | 1000001000010111111100 |
3 | 11000021210200 |
4 | 20020113330 |
5 | 1021201302 |
6 | 113403500 |
7 | 24055101 |
oct | 10102774 |
9 | 4007720 |
10 | 2131452 |
11 | 1226434 |
12 | 869590 |
13 | 59821b |
14 | 3d6aa8 |
15 | 2c181c |
hex | 2085fc |
2131452 has 18 divisors (see below), whose sum is σ = 5387928. Its totient is φ = 710472.
The previous prime is 2131447. The next prime is 2131457. The reversal of 2131452 is 2541312.
2131452 is a `hidden beast` number, since 213 + 1 + 452 = 666.
It is an interprime number because it is at equal distance from previous prime (2131447) and next prime (2131457).
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131457) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29568 + ... + 29639.
22131452 is an apocalyptic number.
It is an amenable number.
2131452 is an abundant number, since it is smaller than the sum of its proper divisors (3256476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131452 is a wasteful number, since it uses less digits than its factorization.
2131452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59217 (or 59212 counting only the distinct ones).
The product of its digits is 240, while the sum is 18.
The square root of 2131452 is about 1459.9493141887. The cubic root of 2131452 is about 128.6940649980.
Adding to 2131452 its reverse (2541312), we get a palindrome (4672764).
The spelling of 2131452 in words is "two million, one hundred thirty-one thousand, four hundred fifty-two".
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