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234145111 is a prime number
BaseRepresentation
bin11011111010011…
…00010101010111
3121022120210201011
431331030111113
5434420120421
635122313051
75542125544
oct1575142527
9538523634
10234145111
11110194762
12664b8787
1339680c05
142314dbcb
15158514e1
hexdf4c557

234145111 has 2 divisors, whose sum is σ = 234145112. Its totient is φ = 234145110.

The previous prime is 234145081. The next prime is 234145133. The reversal of 234145111 is 111541432.

It is an a-pointer prime, because the next prime (234145133) can be obtained adding 234145111 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234145111 - 27 = 234144983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234145141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117072555 + 117072556.

It is an arithmetic number, because the mean of its divisors is an integer number (117072556).

Almost surely, 2234145111 is an apocalyptic number.

234145111 is a deficient number, since it is larger than the sum of its proper divisors (1).

234145111 is an equidigital number, since it uses as much as digits as its factorization.

234145111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 234145111 is about 15301.8009070828. The cubic root of 234145111 is about 616.3513686283.

Adding to 234145111 its reverse (111541432), we get a palindrome (345686543).

It can be divided in two parts, 234145 and 111, that added together give a 4-th power (234256 = 224).

The spelling of 234145111 in words is "two hundred thirty-four million, one hundred forty-five thousand, one hundred eleven".