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106505487 = 32112937097
BaseRepresentation
bin1100101100100…
…10010100001111
321102102001001200
412112102110033
5204231133422
614322440543
72432165424
oct626222417
9242361050
10106505487
1155135170
122b803153
13190b08ca
1410205d4b
15953c2ac
hex659250f

106505487 has 24 divisors (see below), whose sum is σ = 173618640. Its totient is φ = 62321280.

The previous prime is 106505471. The next prime is 106505513. The reversal of 106505487 is 784505601.

106505487 is a `hidden beast` number, since 106 + 5 + 0 + 548 + 7 = 666.

It is not a de Polignac number, because 106505487 - 24 = 106505471 is a prime.

It is a super-2 number, since 2×1065054872 = 22686837522214338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106505407) 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 in 23 ways as a sum of consecutive naturals, for example, 15678 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (7234110).

Almost surely, 2106505487 is an apocalyptic number.

106505487 is a deficient number, since it is larger than the sum of its proper divisors (67113153).

106505487 is a wasteful number, since it uses less digits than its factorization.

106505487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37143 (or 37140 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 106505487 is about 10320.1495628697. The cubic root of 106505487 is about 474.0134456475.

The spelling of 106505487 in words is "one hundred six million, five hundred five thousand, four hundred eighty-seven".

Divisors: 1 3 9 11 29 33 87 99 261 319 957 2871 37097 111291 333873 408067 1075813 1224201 3227439 3672603 9682317 11833943 35501829 106505487