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814201 = 1974133
BaseRepresentation
bin11000110110001111001
31112100212121
43012301321
5202023301
625241241
76630523
oct3066171
91470777
10814201
115067a3
12333221
1322679b
14172a13
151113a1
hexc6c79

814201 has 4 divisors (see below), whose sum is σ = 818532. Its totient is φ = 809872.

The previous prime is 814199. The next prime is 814211. The reversal of 814201 is 102418.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 724201 + 90000 = 851^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 814201 - 21 = 814199 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (204633).

2814201 is an apocalyptic number.

It is an amenable number.

814201 is a deficient number, since it is larger than the sum of its proper divisors (4331).

814201 is a wasteful number, since it uses less digits than its factorization.

814201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 814201 is about 902.3308705791. The cubic root of 814201 is about 93.3778514948.

Adding to 814201 its reverse (102418), we get a palindrome (916619).

The spelling of 814201 in words is "eight hundred fourteen thousand, two hundred one".

Divisors: 1 197 4133 814201