Base | Representation |
---|---|
bin | 100110011011… |
… | …0111111101001 |
3 | 1101220122010200 |
4 | 1030312333221 |
5 | 20124220301 |
6 | 1555502413 |
7 | 333154053 |
oct | 114667751 |
9 | 41818120 |
10 | 20148201 |
11 | 10411707 |
12 | 68b7a09 |
13 | 4235a18 |
14 | 29668d3 |
15 | 1b7ec86 |
hex | 1336fe9 |
20148201 has 12 divisors (see below), whose sum is σ = 29148912. Its totient is φ = 13410936.
The previous prime is 20148137. The next prime is 20148211. The reversal of 20148201 is 10284102.
It is not a de Polignac number, because 20148201 - 26 = 20148137 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20148211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6090 + ... + 8796.
It is an arithmetic number, because the mean of its divisors is an integer number (2429076).
Almost surely, 220148201 is an apocalyptic number.
It is an amenable number.
20148201 is a deficient number, since it is larger than the sum of its proper divisors (9000711).
20148201 is a wasteful number, since it uses less digits than its factorization.
20148201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3540 (or 3537 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 20148201 is about 4488.6747487427. The cubic root of 20148201 is about 272.1105780574.
The spelling of 20148201 in words is "twenty million, one hundred forty-eight thousand, two hundred one".
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