Search a number
-
+
106065987 = 3254313903
BaseRepresentation
bin1100101001001…
…11000001000011
321101120201011220
412110213001003
5204123102422
614305210123
72425355166
oct624470103
9241521156
10106065987
1154964a45
122b630943
1318c88851
141012dadd
1594a1e5c
hex6527043

106065987 has 8 divisors (see below), whose sum is σ = 141487104. Its totient is φ = 70677768.

The previous prime is 106065959. The next prime is 106065989. The reversal of 106065987 is 789560601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106065987 - 27 = 106065859 is a prime.

It is a super-2 number, since 2×1060659872 = 22499987196568338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106065989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 14580.

It is an arithmetic number, because the mean of its divisors is an integer number (17685888).

Almost surely, 2106065987 is an apocalyptic number.

106065987 is a deficient number, since it is larger than the sum of its proper divisors (35421117).

106065987 is a wasteful number, since it uses less digits than its factorization.

106065987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16449.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 106065987 is about 10298.8342544193. The cubic root of 106065987 is about 473.3605336592.

The spelling of 106065987 in words is "one hundred six million, sixty-five thousand, nine hundred eighty-seven".

Divisors: 1 3 2543 7629 13903 41709 35355329 106065987