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110214221 = 138478017
BaseRepresentation
bin1101001000110…
…11110001001101
321200101110111012
412210123301031
5211203323341
614534135005
72505543155
oct644336115
9250343435
10110214221
1157238637
1230ab1465
1319aaba20
14108cd765
159a210eb
hex691bc4d

110214221 has 4 divisors (see below), whose sum is σ = 118692252. Its totient is φ = 101736192.

The previous prime is 110214217. The next prime is 110214227. The reversal of 110214221 is 122412011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122412011 = 1014112071.

It can be written as a sum of positive squares in 2 ways, for example, as 74046025 + 36168196 = 8605^2 + 6014^2 .

It is a cyclic number.

It is not a de Polignac number, because 110214221 - 22 = 110214217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110214196 and 110214205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110214227) 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, 4238996 + ... + 4239021.

It is an arithmetic number, because the mean of its divisors is an integer number (29673063).

Almost surely, 2110214221 is an apocalyptic number.

It is an amenable number.

110214221 is a deficient number, since it is larger than the sum of its proper divisors (8478031).

110214221 is an equidigital number, since it uses as much as digits as its factorization.

110214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478030.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 110214221 is about 10498.2960998440. The cubic root of 110214221 is about 479.4528212112.

Adding to 110214221 its reverse (122412011), we get a palindrome (232626232).

The spelling of 110214221 in words is "one hundred ten million, two hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 13 8478017 110214221