Base | Representation |
---|---|
bin | 100110100110… |
… | …1011010011110 |
3 | 1102002022002202 |
4 | 1031031122132 |
5 | 20140140110 |
6 | 2001451502 |
7 | 334015556 |
oct | 115153236 |
9 | 42068082 |
10 | 20240030 |
11 | 104746a8 |
12 | 6940b92 |
13 | 4268765 |
14 | 298c166 |
15 | 1b9c0a5 |
hex | 134d69e |
20240030 has 32 divisors (see below), whose sum is σ = 39172896. Its totient is φ = 7501824.
The previous prime is 20240021. The next prime is 20240071. The reversal of 20240030 is 3004202.
It is a junction number, because it is equal to n+sod(n) for n = 20239993 and 20240020.
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, 10502 + ... + 12278.
It is an arithmetic number, because the mean of its divisors is an integer number (1224153).
Almost surely, 220240030 is an apocalyptic number.
20240030 is a deficient number, since it is larger than the sum of its proper divisors (18932866).
20240030 is a wasteful number, since it uses less digits than its factorization.
20240030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1868.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 20240030 is about 4498.8920858362. The cubic root of 20240030 is about 272.5233490079.
Adding to 20240030 its reverse (3004202), we get a palindrome (23244232).
The spelling of 20240030 in words is "twenty million, two hundred forty thousand, thirty".
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