Base | Representation |
---|---|
bin | 100110010000… |
… | …0111110101110 |
3 | 1101202001110000 |
4 | 1030200332232 |
5 | 20113324110 |
6 | 1553525130 |
7 | 332330136 |
oct | 114407656 |
9 | 41661400 |
10 | 20058030 |
11 | 1035a993 |
12 | 68737a6 |
13 | 4203975 |
14 | 2941ac6 |
15 | 1b631c0 |
hex | 1320fae |
20058030 has 40 divisors (see below), whose sum is σ = 53935992. Its totient is φ = 5348592.
The previous prime is 20058013. The next prime is 20058043. The reversal of 20058030 is 3085002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20057994 and 20058012.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11572 + ... + 13191.
Almost surely, 220058030 is an apocalyptic number.
20058030 is an abundant number, since it is smaller than the sum of its proper divisors (33877962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20058030 is a wasteful number, since it uses less digits than its factorization.
20058030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24782 (or 24773 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 20058030 is about 4478.6192068538. The cubic root of 20058030 is about 271.7040375821.
The spelling of 20058030 in words is "twenty million, fifty-eight thousand, thirty".
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