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110340231 = 336780077
BaseRepresentation
bin1101001001110…
…10100010000111
321200121212100020
412210322202013
5211221341411
614540550223
72506606431
oct644724207
9250555306
10110340231
1157314281
1230b52373
1319b241a1
1410923651
159a48606
hex693a887

110340231 has 4 divisors (see below), whose sum is σ = 147120312. Its totient is φ = 73560152.

The previous prime is 110340229. The next prime is 110340247. The reversal of 110340231 is 132043011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132043011 = 344014337.

It is a cyclic number.

It is not a de Polignac number, because 110340231 - 21 = 110340229 is a prime.

It is a super-2 number, since 2×1103402312 = 24349933154266722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 110340231.

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 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, 18390036 + ... + 18390041.

It is an arithmetic number, because the mean of its divisors is an integer number (36780078).

Almost surely, 2110340231 is an apocalyptic number.

110340231 is the 6644-th centered pentagonal number.

110340231 is a deficient number, since it is larger than the sum of its proper divisors (36780081).

110340231 is an equidigital number, since it uses as much as digits as its factorization.

110340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36780080.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 110340231 is about 10504.2958355142. The cubic root of 110340231 is about 479.6354741066.

Adding to 110340231 its reverse (132043011), we get a palindrome (242383242).

The spelling of 110340231 in words is "one hundred ten million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 3 36780077 110340231