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105166487 is a prime number
BaseRepresentation
bin1100100010010…
…11011010010111
321022220000022002
412101023122113
5203410311422
614234025515
72414620556
oct621133227
9238800262
10105166487
1154400158
122b27829b
1318a322ba
14dd77d9d
159375692
hex644b697

105166487 has 2 divisors, whose sum is σ = 105166488. Its totient is φ = 105166486.

The previous prime is 105166447. The next prime is 105166489. The reversal of 105166487 is 784661501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105166487 - 26 = 105166423 is a prime.

It is a super-2 number, since 2×1051664872 = 22119979975842338, which contains 22 as substring.

Together with 105166489, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 105166487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105166489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52583243 + 52583244.

It is an arithmetic number, because the mean of its divisors is an integer number (52583244).

Almost surely, 2105166487 is an apocalyptic number.

105166487 is a deficient number, since it is larger than the sum of its proper divisors (1).

105166487 is an equidigital number, since it uses as much as digits as its factorization.

105166487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 105166487 is about 10255.0712820536. The cubic root of 105166487 is about 472.0186107164.

The spelling of 105166487 in words is "one hundred five million, one hundred sixty-six thousand, four hundred eighty-seven".