Base | Representation |
---|---|
bin | 1000001000001000000110 |
3 | 11000020102010 |
4 | 20020020012 |
5 | 1021133223 |
6 | 113355050 |
7 | 24052122 |
oct | 10101006 |
9 | 4006363 |
10 | 2130438 |
11 | 12256a2 |
12 | 868a86 |
13 | 59791b |
14 | 3d6582 |
15 | 2c1393 |
hex | 208206 |
2130438 has 8 divisors (see below), whose sum is σ = 4260888. Its totient is φ = 710144.
The previous prime is 2130437. The next prime is 2130439. The reversal of 2130438 is 8340312.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2130437) and next prime (2130439).
It is a sphenic number, since it is the product of 3 distinct primes.
2130438 is an admirable number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177531 + ... + 177542.
It is an arithmetic number, because the mean of its divisors is an integer number (532611).
22130438 is an apocalyptic number.
2130438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130438 is a wasteful number, since it uses less digits than its factorization.
2130438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 355078.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 2130438 is about 1459.6020005467. The cubic root of 2130438 is about 128.6736537977.
The spelling of 2130438 in words is "two million, one hundred thirty thousand, four hundred thirty-eight".
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