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105232289 is a prime number
BaseRepresentation
bin1100100010110…
…11011110100001
321100000100120012
412101123132201
5203414413124
614235254305
72415313451
oct621333641
9240010505
10105232289
1154445638
122b2aa395
1318a56236
14dd93d61
159389e0e
hex645b7a1

105232289 has 2 divisors, whose sum is σ = 105232290. Its totient is φ = 105232288.

The previous prime is 105232249. The next prime is 105232301. The reversal of 105232289 is 982232501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64272289 + 40960000 = 8017^2 + 6400^2 .

It is a cyclic number.

It is not a de Polignac number, because 105232289 - 216 = 105166753 is a prime.

It is a super-2 number, since 2×1052322892 = 22147669296359042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105232219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52616144 + 52616145.

It is an arithmetic number, because the mean of its divisors is an integer number (52616145).

Almost surely, 2105232289 is an apocalyptic number.

It is an amenable number.

105232289 is a deficient number, since it is larger than the sum of its proper divisors (1).

105232289 is an equidigital number, since it uses as much as digits as its factorization.

105232289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 105232289 is about 10258.2790467017. The cubic root of 105232289 is about 472.1170365356.

The spelling of 105232289 in words is "one hundred five million, two hundred thirty-two thousand, two hundred eighty-nine".