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89613986 = 2711581909
BaseRepresentation
bin1010101011101…
…10011010100010
320020121212021112
411111312122202
5140420121421
612520423322
72135464160
oct525663242
9206555245
1089613986
1146648350
1226017b42
1315748337
14bc8a230
157d0245b
hex55766a2

89613986 has 16 divisors (see below), whose sum is σ = 167590080. Its totient is φ = 34914480.

The previous prime is 89613983. The next prime is 89614033. The reversal of 89613986 is 68931698.

It is not an unprimeable number, because it can be changed into a prime (89613983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290801 + ... + 291108.

It is an arithmetic number, because the mean of its divisors is an integer number (10474380).

Almost surely, 289613986 is an apocalyptic number.

89613986 is a deficient number, since it is larger than the sum of its proper divisors (77976094).

89613986 is a wasteful number, since it uses less digits than its factorization.

89613986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581929.

The product of its digits is 559872, while the sum is 50.

The square root of 89613986 is about 9466.4663945952. The cubic root of 89613986 is about 447.4988583348.

The spelling of 89613986 in words is "eighty-nine million, six hundred thirteen thousand, nine hundred eighty-six".

Divisors: 1 2 7 11 14 22 77 154 581909 1163818 4073363 6400999 8146726 12801998 44806993 89613986