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89474409 = 333313867
BaseRepresentation
bin1010101010101…
…00010101101001
320020100202211000
411111110111221
5140401140114
612513425213
72134343223
oct525242551
9206322730
1089474409
11465624a2
1225b6b209
13156c994b
14bc51413
157cc5e09
hex5554569

89474409 has 8 divisors (see below), whose sum is σ = 132554720. Its totient is φ = 59649588.

The previous prime is 89474387. The next prime is 89474419. The reversal of 89474409 is 90447498.

It is not a de Polignac number, because 89474409 - 29 = 89473897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89474419) 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, 1656907 + ... + 1656960.

It is an arithmetic number, because the mean of its divisors is an integer number (16569340).

Almost surely, 289474409 is an apocalyptic number.

It is an amenable number.

89474409 is a deficient number, since it is larger than the sum of its proper divisors (43080311).

89474409 is a wasteful number, since it uses less digits than its factorization.

89474409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313876 (or 3313870 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 89474409 is about 9459.0913411384. The cubic root of 89474409 is about 447.2664057635.

The spelling of 89474409 in words is "eighty-nine million, four hundred seventy-four thousand, four hundred nine".

Divisors: 1 3 9 27 3313867 9941601 29824803 89474409