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213425201 = 1119402291
BaseRepresentation
bin11001011100010…
…01110000110001
3112212121010100002
430232021300301
5414114101301
633102235345
75201040623
oct1456116061
9485533302
10213425201
11aa522570
125b585b55
13352a7c02
14204b8c13
1513b0c16b
hexcb89c31

213425201 has 4 divisors (see below), whose sum is σ = 232827504. Its totient is φ = 194022900.

The previous prime is 213425197. The next prime is 213425207. The reversal of 213425201 is 102524312.

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 213425201 - 22 = 213425197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213425207) 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, 9701135 + ... + 9701156.

It is an arithmetic number, because the mean of its divisors is an integer number (58206876).

Almost surely, 2213425201 is an apocalyptic number.

It is an amenable number.

213425201 is a deficient number, since it is larger than the sum of its proper divisors (19402303).

213425201 is a wasteful number, since it uses less digits than its factorization.

213425201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19402302.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 213425201 is about 14609.0794028919. The cubic root of 213425201 is about 597.6063906067.

Adding to 213425201 its reverse (102524312), we get a palindrome (315949513).

The spelling of 213425201 in words is "two hundred thirteen million, four hundred twenty-five thousand, two hundred one".

Divisors: 1 11 19402291 213425201