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235211149 is a prime number
BaseRepresentation
bin11100000010100…
…00100110001101
3121101120222001001
432001100212031
5440203224044
635201220301
75554155535
oct1601204615
9541528031
10235211149
11110852688
1266931691
13399651c4
142334a4c5
15159b22d4
hexe05098d

235211149 has 2 divisors, whose sum is σ = 235211150. Its totient is φ = 235211148.

The previous prime is 235211117. The next prime is 235211153. The reversal of 235211149 is 941112532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234641124 + 570025 = 15318^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 235211149 - 25 = 235211117 is a prime.

It is a super-2 number, since 2×2352111492 = 110648569227800402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235211159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117605574 + 117605575.

It is an arithmetic number, because the mean of its divisors is an integer number (117605575).

Almost surely, 2235211149 is an apocalyptic number.

It is an amenable number.

235211149 is a deficient number, since it is larger than the sum of its proper divisors (1).

235211149 is an equidigital number, since it uses as much as digits as its factorization.

235211149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 235211149 is about 15336.5950914797. The cubic root of 235211149 is about 617.2853468869.

The spelling of 235211149 in words is "two hundred thirty-five million, two hundred eleven thousand, one hundred forty-nine".