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105492281 is a prime number
BaseRepresentation
bin1100100100110…
…10111100111001
321100111120012112
412102122330321
5204001223111
614245022105
72420445446
oct622327471
9240446175
10105492281
1154602a04
122b3b4935
1318b1768b
14100209cd
1593dbe8b
hex649af39

105492281 has 2 divisors, whose sum is σ = 105492282. Its totient is φ = 105492280.

The previous prime is 105492239. The next prime is 105492307. The reversal of 105492281 is 182294501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95726656 + 9765625 = 9784^2 + 3125^2 .

It is a cyclic number.

It is not a de Polignac number, because 105492281 - 226 = 38383417 is a prime.

It is a super-2 number, since 2×1054922812 = 22257242701165922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105492481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52746140 + 52746141.

It is an arithmetic number, because the mean of its divisors is an integer number (52746141).

Almost surely, 2105492281 is an apocalyptic number.

It is an amenable number.

105492281 is a deficient number, since it is larger than the sum of its proper divisors (1).

105492281 is an equidigital number, since it uses as much as digits as its factorization.

105492281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 105492281 is about 10270.9435301729. The cubic root of 105492281 is about 472.5055285226.

The spelling of 105492281 in words is "one hundred five million, four hundred ninety-two thousand, two hundred eighty-one".