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213340201 = 2111011091
BaseRepresentation
bin11001011011101…
…01000000101001
3112212102210201221
430231311000221
5414103341301
633100342041
75200235044
oct1455650051
9485383657
10213340201
11aa474718
125b544921
1335278309
1420495c5b
1513ae1da1
hexcb75029

213340201 has 4 divisors (see below), whose sum is σ = 214351504. Its totient is φ = 212328900.

The previous prime is 213340177. The next prime is 213340213. The reversal of 213340201 is 102043312.

It is a happy number.

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 213340201 - 27 = 213340073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213340301) 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, 505335 + ... + 505756.

It is an arithmetic number, because the mean of its divisors is an integer number (53587876).

Almost surely, 2213340201 is an apocalyptic number.

It is an amenable number.

213340201 is a deficient number, since it is larger than the sum of its proper divisors (1011303).

213340201 is a wasteful number, since it uses less digits than its factorization.

213340201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011302.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213340201 is about 14606.1699634093. The cubic root of 213340201 is about 597.5270446376.

Adding to 213340201 its reverse (102043312), we get a palindrome (315383513).

The spelling of 213340201 in words is "two hundred thirteen million, three hundred forty thousand, two hundred one".

Divisors: 1 211 1011091 213340201