Base | Representation |
---|---|
bin | 100110110101… |
… | …0111111110001 |
3 | 1102022110022120 |
4 | 1031222333301 |
5 | 20203024301 |
6 | 2004224453 |
7 | 335032050 |
oct | 115527761 |
9 | 42273276 |
10 | 20361201 |
11 | 10547743 |
12 | 699b129 |
13 | 42ab963 |
14 | 29c0397 |
15 | 1bc2e36 |
hex | 136aff1 |
20361201 has 16 divisors (see below), whose sum is σ = 31102848. Its totient is φ = 11606400.
The previous prime is 20361191. The next prime is 20361221. The reversal of 20361201 is 10216302.
It is not a de Polignac number, because 20361201 - 214 = 20344817 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20361221) 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, 10011 + ... + 11871.
It is an arithmetic number, because the mean of its divisors is an integer number (1943928).
Almost surely, 220361201 is an apocalyptic number.
20361201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20361201 is a deficient number, since it is larger than the sum of its proper divisors (10741647).
20361201 is a wasteful number, since it uses less digits than its factorization.
20361201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2392.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 20361201 is about 4512.3387505816. The cubic root of 20361201 is about 273.0661059037.
Adding to 20361201 its reverse (10216302), we get a palindrome (30577503).
The spelling of 20361201 in words is "twenty million, three hundred sixty-one thousand, two hundred one".
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