Base | Representation |
---|---|
bin | 1001011011001110101111 |
3 | 11122112100021 |
4 | 21123032233 |
5 | 1113031311 |
6 | 124543011 |
7 | 30000406 |
oct | 11331657 |
9 | 4575307 |
10 | 2470831 |
11 | 1438410 |
12 | 9b1a67 |
13 | 68683c |
14 | 48463d |
15 | 33c171 |
hex | 25b3af |
2470831 has 16 divisors (see below), whose sum is σ = 2909088. Its totient is φ = 2073600.
The previous prime is 2470801. The next prime is 2470841. The reversal of 2470831 is 1380742.
It is a 10-Lehmer number, since φ(2470831) divides (2470831-1)10.
It is a cyclic number.
It is not a de Polignac number, because 2470831 - 29 = 2470319 is a prime.
It is a super-2 number, since 2×24708312 = 12210011661122, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2470796 and 2470805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2470801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13561 + ... + 13741.
It is an arithmetic number, because the mean of its divisors is an integer number (181818).
22470831 is an apocalyptic number.
2470831 is a deficient number, since it is larger than the sum of its proper divisors (438257).
2470831 is a wasteful number, since it uses less digits than its factorization.
2470831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 2470831 is about 1571.8877186364. The cubic root of 2470831 is about 135.1909688714.
The spelling of 2470831 in words is "two million, four hundred seventy thousand, eight hundred thirty-one".
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