Search a number
-
+
104406143 is a prime number
BaseRepresentation
bin1100011100100…
…01110001111111
321021110101022012
412032101301333
5203211444033
614205441435
72405303042
oct616216177
9237411265
10104406143
1153a30976
122ab7027b
13188271aa
14dc1ac59
159275248
hex6391c7f

104406143 has 2 divisors, whose sum is σ = 104406144. Its totient is φ = 104406142.

The previous prime is 104406101. The next prime is 104406151. The reversal of 104406143 is 341604401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104406143 - 212 = 104402047 is a prime.

It is a super-2 number, since 2×1044061432 = 21801285392272898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104406173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52203071 + 52203072.

It is an arithmetic number, because the mean of its divisors is an integer number (52203072).

Almost surely, 2104406143 is an apocalyptic number.

104406143 is a deficient number, since it is larger than the sum of its proper divisors (1).

104406143 is an equidigital number, since it uses as much as digits as its factorization.

104406143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 104406143 is about 10217.9324229513. The cubic root of 104406143 is about 470.8783078522.

The spelling of 104406143 in words is "one hundred four million, four hundred six thousand, one hundred forty-three".