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105452231 is a prime number
BaseRepresentation
bin1100100100100…
…01001011000111
321100102112021012
412102101023013
5203443432411
614244112435
72420220623
oct622211307
9240375235
10105452231
1154585905
122b39571b
1318b02391
1410010183
1593d018b
hex64912c7

105452231 has 2 divisors, whose sum is σ = 105452232. Its totient is φ = 105452230.

The previous prime is 105452213. The next prime is 105452233. The reversal of 105452231 is 132254501.

Together with previous prime (105452213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (132254501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105452231 - 26 = 105452167 is a prime.

It is a super-2 number, since 2×1054522312 = 22240346045754722, which contains 22 as substring.

Together with 105452233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 105452197 and 105452206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105452233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52726115 + 52726116.

It is an arithmetic number, because the mean of its divisors is an integer number (52726116).

Almost surely, 2105452231 is an apocalyptic number.

105452231 is a deficient number, since it is larger than the sum of its proper divisors (1).

105452231 is an equidigital number, since it uses as much as digits as its factorization.

105452231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105452231 is about 10268.9936702678. The cubic root of 105452231 is about 472.4457255950.

The spelling of 105452231 in words is "one hundred five million, four hundred fifty-two thousand, two hundred thirty-one".