Base | Representation |
---|---|
bin | 10111111111001… |
… | …00100111000100 |
3 | 112000121202021100 |
4 | 23333210213010 |
5 | 403002330104 |
6 | 31544420100 |
7 | 4662202626 |
oct | 1377444704 |
9 | 460552240 |
10 | 201214404 |
11 | a36423a6 |
12 | 57477630 |
13 | 328c0ca1 |
14 | 1ca1ac16 |
15 | 129e9139 |
hex | bfe49c4 |
201214404 has 36 divisors (see below), whose sum is σ = 514348380. Its totient is φ = 66316800.
The previous prime is 201214381. The next prime is 201214423. The reversal of 201214404 is 404412102.
201214404 is a `hidden beast` number, since 201 + 21 + 440 + 4 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 25704900 + 175509504 = 5070^2 + 13248^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28197 + ... + 34604.
It is an arithmetic number, because the mean of its divisors is an integer number (14287455).
Almost surely, 2201214404 is an apocalyptic number.
It is an amenable number.
201214404 is an abundant number, since it is smaller than the sum of its proper divisors (313133976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201214404 is a wasteful number, since it uses less digits than its factorization.
201214404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62900 (or 62895 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 201214404 is about 14185.0063094804. The cubic root of 201214404 is about 585.9848062627.
Adding to 201214404 its reverse (404412102), we get a palindrome (605626506).
The spelling of 201214404 in words is "two hundred one million, two hundred fourteen thousand, four hundred four".
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