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105556141 is a prime number
BaseRepresentation
bin1100100101010…
…10100010101101
321100121210210201
412102222202231
5204010244031
614250233501
72421132565
oct622524255
9240553721
10105556141
1154646989
122b425891
1318b3a772
1410039da5
159400d61
hex64aa8ad

105556141 has 2 divisors, whose sum is σ = 105556142. Its totient is φ = 105556140.

The previous prime is 105556127. The next prime is 105556159. The reversal of 105556141 is 141655501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101082916 + 4473225 = 10054^2 + 2115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105556141 is a prime.

It is a super-2 number, since 2×1055561412 = 22284197805623762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105556541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52778070 + 52778071.

It is an arithmetic number, because the mean of its divisors is an integer number (52778071).

Almost surely, 2105556141 is an apocalyptic number.

It is an amenable number.

105556141 is a deficient number, since it is larger than the sum of its proper divisors (1).

105556141 is an equidigital number, since it uses as much as digits as its factorization.

105556141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 105556141 is about 10274.0518297311. The cubic root of 105556141 is about 472.6008534005.

The spelling of 105556141 in words is "one hundred five million, five hundred fifty-six thousand, one hundred forty-one".