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89473867 = 797313421
BaseRepresentation
bin1010101010101…
…00001101001011
320020100202001221
411111110031023
5140401130432
612513422511
72134341520
oct525241513
9206322057
1089473867
114656204a
1225b6aa37
13156c9622
14bc51147
157cc5b97
hex555434b

89473867 has 16 divisors (see below), whose sum is σ = 103886272. Its totient is φ = 75479040.

The previous prime is 89473861. The next prime is 89473871. The reversal of 89473867 is 76837498.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-89473867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89473861) 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 15 ways as a sum of consecutive naturals, for example, 212317 + ... + 212737.

It is an arithmetic number, because the mean of its divisors is an integer number (6492892).

Almost surely, 289473867 is an apocalyptic number.

89473867 is a deficient number, since it is larger than the sum of its proper divisors (14412405).

89473867 is a wasteful number, since it uses less digits than its factorization.

89473867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838.

The product of its digits is 2032128, while the sum is 52.

The square root of 89473867 is about 9459.0626914087. The cubic root of 89473867 is about 447.2655026417.

The spelling of 89473867 in words is "eighty-nine million, four hundred seventy-three thousand, eight hundred sixty-seven".

Divisors: 1 7 97 313 421 679 2191 2947 30361 40837 131773 212527 285859 922411 12781981 89473867