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105243041 is a prime number
BaseRepresentation
bin1100100010111…
…10000110100001
321100000220022102
412101132012201
5203420234131
614235420145
72415360011
oct621360641
9240026272
10105243041
1154452722
122b2b4655
1318a5b0b7
14dd97c41
15938d1cb
hex645e1a1

105243041 has 2 divisors, whose sum is σ = 105243042. Its totient is φ = 105243040.

The previous prime is 105243029. The next prime is 105243091. The reversal of 105243041 is 140342501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93683041 + 11560000 = 9679^2 + 3400^2 .

It is a cyclic number.

It is not a de Polignac number, because 105243041 - 222 = 101048737 is a prime.

It is a super-2 number, since 2×1052430412 = 22152195357855362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105243091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52621520 + 52621521.

It is an arithmetic number, because the mean of its divisors is an integer number (52621521).

Almost surely, 2105243041 is an apocalyptic number.

It is an amenable number.

105243041 is a deficient number, since it is larger than the sum of its proper divisors (1).

105243041 is an equidigital number, since it uses as much as digits as its factorization.

105243041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 105243041 is about 10258.8030978277. The cubic root of 105243041 is about 472.1331153442.

Adding to 105243041 its reverse (140342501), we get a palindrome (245585542).

The spelling of 105243041 in words is "one hundred five million, two hundred forty-three thousand, forty-one".