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110343221 = 821134401
BaseRepresentation
bin1101001001110…
…11010000110101
321200122000102222
412210323100311
5211221440341
614541012125
72506621232
oct644732065
9250560388
10110343221
115731654a
1230b54045
1319b25661
1410924789
159a4944b
hex693b435

110343221 has 4 divisors (see below), whose sum is σ = 110478444. Its totient is φ = 110208000.

The previous prime is 110343143. The next prime is 110343239. The reversal of 110343221 is 122343011.

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 47458321 + 62884900 = 6889^2 + 7930^2 .

It is a cyclic number.

It is not a de Polignac number, because 110343221 - 218 = 110081077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 110343221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110340221) 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, 66380 + ... + 68021.

It is an arithmetic number, because the mean of its divisors is an integer number (27619611).

Almost surely, 2110343221 is an apocalyptic number.

It is an amenable number.

110343221 is a deficient number, since it is larger than the sum of its proper divisors (135223).

110343221 is an equidigital number, since it uses as much as digits as its factorization.

110343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135222.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 110343221 is about 10504.4381572743. The cubic root of 110343221 is about 479.6398064555.

Adding to 110343221 its reverse (122343011), we get a palindrome (232686232).

The spelling of 110343221 in words is "one hundred ten million, three hundred forty-three thousand, two hundred twenty-one".

Divisors: 1 821 134401 110343221