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89669145 = 355977943
BaseRepresentation
bin1010101100000…
…11111000011001
320020201122221110
411112003320121
5140423403040
612521530533
72136114036
oct526037031
9206648843
1089669145
1146685835
1226043a49
1315767487
14bca238d
157d13980
hex5583e19

89669145 has 8 divisors (see below), whose sum is σ = 143470656. Its totient is φ = 47823536.

The previous prime is 89669141. The next prime is 89669159. The reversal of 89669145 is 54196698.

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

It is a cyclic number.

It is not a de Polignac number, because 89669145 - 22 = 89669141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89669094 and 89669103.

It is not an unprimeable number, because it can be changed into a prime (89669141) 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 7 ways as a sum of consecutive naturals, for example, 2988957 + ... + 2988986.

It is an arithmetic number, because the mean of its divisors is an integer number (17933832).

Almost surely, 289669145 is an apocalyptic number.

It is an amenable number.

89669145 is a deficient number, since it is larger than the sum of its proper divisors (53801511).

89669145 is a wasteful number, since it uses less digits than its factorization.

89669145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977951.

The product of its digits is 466560, while the sum is 48.

The square root of 89669145 is about 9469.3793355214. The cubic root of 89669145 is about 447.5906540019.

The spelling of 89669145 in words is "eighty-nine million, six hundred sixty-nine thousand, one hundred forty-five".

Divisors: 1 3 5 15 5977943 17933829 29889715 89669145