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213200201 = 1523139987
BaseRepresentation
bin11001011010100…
…10110101001001
3112212011200200202
430231102311021
5414034401301
633053341545
75166112634
oct1455226511
9485150622
10213200201
11aa389515
125b4978b5
1335229686
142045ac1b
1513ab566b
hexcb52d49

213200201 has 4 divisors (see below), whose sum is σ = 213341712. Its totient is φ = 213058692.

The previous prime is 213200177. The next prime is 213200203. The reversal of 213200201 is 102002312.

It is a happy number.

213200201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213200201 - 26 = 213200137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213200203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68471 + ... + 71516.

It is an arithmetic number, because the mean of its divisors is an integer number (53335428).

Almost surely, 2213200201 is an apocalyptic number.

It is an amenable number.

213200201 is a deficient number, since it is larger than the sum of its proper divisors (141511).

213200201 is a wasteful number, since it uses less digits than its factorization.

213200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141510.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 213200201 is about 14601.3766816694. The cubic root of 213200201 is about 597.3963112030.

Adding to 213200201 its reverse (102002312), we get a palindrome (315202513).

The spelling of 213200201 in words is "two hundred thirteen million, two hundred thousand, two hundred one".

Divisors: 1 1523 139987 213200201