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89342891 = 1121574703
BaseRepresentation
bin1010101001101…
…00001110101011
320020010002101222
411110310032223
5140332433031
612510532255
72133254621
oct524641653
9206102358
1089342891
1146482700
1225b0708b
1315681b21
14bc19511
157c9be7b
hex55343ab

89342891 has 12 divisors (see below), whose sum is σ = 98849856. Its totient is φ = 80686320.

The previous prime is 89342873. The next prime is 89342893. The reversal of 89342891 is 19824398.

It is a happy number.

It is not a de Polignac number, because 89342891 - 214 = 89326507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89342893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16646 + ... + 21348.

It is an arithmetic number, because the mean of its divisors is an integer number (8237488).

Almost surely, 289342891 is an apocalyptic number.

89342891 is a deficient number, since it is larger than the sum of its proper divisors (9506965).

89342891 is a wasteful number, since it uses less digits than its factorization.

89342891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4871 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 89342891 is about 9452.1368483534. The cubic root of 89342891 is about 447.0471533953.

The spelling of 89342891 in words is "eighty-nine million, three hundred forty-two thousand, eight hundred ninety-one".

Divisors: 1 11 121 157 1727 4703 18997 51733 569063 738371 8122081 89342891