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87396229 is a prime number
BaseRepresentation
bin1010011010110…
…00111110000101
320002110012002101
411031120332011
5134333134404
612401112101
72110566334
oct515307605
9202405071
1087396229
1145373098
1225328631
131514ca5b
14b86dd1b
157a152a4
hex5358f85

87396229 has 2 divisors, whose sum is σ = 87396230. Its totient is φ = 87396228.

The previous prime is 87396163. The next prime is 87396289. The reversal of 87396229 is 92269378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 33373729 = 7350^2 + 5777^2 .

It is a cyclic number.

It is not a de Polignac number, because 87396229 - 29 = 87395717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87396289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43698114 + 43698115.

It is an arithmetic number, because the mean of its divisors is an integer number (43698115).

Almost surely, 287396229 is an apocalyptic number.

It is an amenable number.

87396229 is a deficient number, since it is larger than the sum of its proper divisors (1).

87396229 is an equidigital number, since it uses as much as digits as its factorization.

87396229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 87396229 is about 9348.5950281312. The cubic root of 87396229 is about 443.7764291870.

The spelling of 87396229 in words is "eighty-seven million, three hundred ninety-six thousand, two hundred twenty-nine".