Base | Representation |
---|---|
bin | 100110011011… |
… | …1000010111100 |
3 | 1101220122102111 |
4 | 1030313002330 |
5 | 20124222122 |
6 | 1555503404 |
7 | 333154504 |
oct | 114670274 |
9 | 41818374 |
10 | 20148412 |
11 | 10411889 |
12 | 68b7b64 |
13 | 4235b4b |
14 | 2966a04 |
15 | 1b7ed77 |
hex | 13370bc |
20148412 has 12 divisors (see below), whose sum is σ = 35302960. Its totient is φ = 10061856.
The previous prime is 20148409. The next prime is 20148413. The reversal of 20148412 is 21484102.
It is a super-2 number, since 2×201484122 = 811917012243488, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20148413) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1264 + ... + 6472.
Almost surely, 220148412 is an apocalyptic number.
It is an amenable number.
20148412 is a deficient number, since it is larger than the sum of its proper divisors (15154548).
20148412 is a wasteful number, since it uses less digits than its factorization.
20148412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6180 (or 6178 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 22.
The square root of 20148412 is about 4488.6982522776. The cubic root of 20148412 is about 272.1115279376. Note that the first 3 decimals are identical.
The spelling of 20148412 in words is "twenty million, one hundred forty-eight thousand, four hundred twelve".
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