Base | Representation |
---|---|
bin | 11001011111111… |
… | …10011111000101 |
3 | 112220111102011111 |
4 | 30233332133011 |
5 | 414224401201 |
6 | 33120405021 |
7 | 5205101533 |
oct | 1457763705 |
9 | 486442144 |
10 | 213903301 |
11 | aa819797 |
12 | 5b776771 |
13 | 35414701 |
14 | 205a1153 |
15 | 13ba3b51 |
hex | cbfe7c5 |
213903301 has 4 divisors (see below), whose sum is σ = 214125472. Its totient is φ = 213681132.
The previous prime is 213903269. The next prime is 213903307. The reversal of 213903301 is 103309312.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 213903301 - 25 = 213903269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213903307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109635 + ... + 111568.
It is an arithmetic number, because the mean of its divisors is an integer number (53531368).
Almost surely, 2213903301 is an apocalyptic number.
It is an amenable number.
213903301 is a deficient number, since it is larger than the sum of its proper divisors (222171).
213903301 is an equidigital number, since it uses as much as digits as its factorization.
213903301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222170.
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 213903301 is about 14625.4333611008. The cubic root of 213903301 is about 598.0522962956.
The spelling of 213903301 in words is "two hundred thirteen million, nine hundred three thousand, three hundred one".
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