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110242221 = 336747407
BaseRepresentation
bin1101001001000…
…10100110101101
321200102212220020
412210202212231
5211210222341
614534512353
72506020615
oct644424655
9250385806
10110242221
1157257681
1230b056b9
1319abb6ab
14108d9a45
159a29566
hex69229ad

110242221 has 4 divisors (see below), whose sum is σ = 146989632. Its totient is φ = 73494812.

The previous prime is 110242217. The next prime is 110242259. The reversal of 110242221 is 122242011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122242011 = 340747337.

It is a cyclic number.

It is not a de Polignac number, because 110242221 - 22 = 110242217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110242221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110242261) 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, 18373701 + ... + 18373706.

It is an arithmetic number, because the mean of its divisors is an integer number (36747408).

Almost surely, 2110242221 is an apocalyptic number.

It is an amenable number.

110242221 is a deficient number, since it is larger than the sum of its proper divisors (36747411).

110242221 is an equidigital number, since it uses as much as digits as its factorization.

110242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36747410.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 110242221 is about 10499.6295648942. The cubic root of 110242221 is about 479.4934195483.

Adding to 110242221 its reverse (122242011), we get a palindrome (232484232).

The spelling of 110242221 in words is "one hundred ten million, two hundred forty-two thousand, two hundred twenty-one".

Divisors: 1 3 36747407 110242221