Base | Representation |
---|---|
bin | 1000001000001110001110 |
3 | 11000020221122 |
4 | 20020032032 |
5 | 1021141310 |
6 | 113400542 |
7 | 24053222 |
oct | 10101616 |
9 | 4006848 |
10 | 2130830 |
11 | 1225a19 |
12 | 869152 |
13 | 597b60 |
14 | 3d6782 |
15 | 2c1555 |
hex | 20838e |
2130830 has 32 divisors (see below), whose sum is σ = 4251744. Its totient is φ = 763776.
The previous prime is 2130809. The next prime is 2130853. The reversal of 2130830 is 380312.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2130799 and 2130808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4589 + ... + 5031.
It is an arithmetic number, because the mean of its divisors is an integer number (132867).
22130830 is an apocalyptic number.
2130830 is a deficient number, since it is larger than the sum of its proper divisors (2120914).
2130830 is a wasteful number, since it uses less digits than its factorization.
2130830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2130830 is about 1459.7362775515. The cubic root of 2130830 is about 128.6815452859.
The spelling of 2130830 in words is "two million, one hundred thirty thousand, eight hundred thirty".
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