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89022138 = 2397152959
BaseRepresentation
bin1010100111001…
…01111010111010
320012111210102020
411103211322322
5140242202023
612500015310
72130450522
oct523457272
9205453366
1089022138
1146283717
1225991536
131559bb2a
14bb74682
157c36de3
hex54e5eba

89022138 has 16 divisors (see below), whose sum is σ = 179880960. Its totient is φ = 29367936.

The previous prime is 89022137. The next prime is 89022151. The reversal of 89022138 is 83122098.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89022099 and 89022108.

It is not an unprimeable number, because it can be changed into a prime (89022137) 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, 75898 + ... + 77061.

It is an arithmetic number, because the mean of its divisors is an integer number (11242560).

Almost surely, 289022138 is an apocalyptic number.

89022138 is an abundant number, since it is smaller than the sum of its proper divisors (90858822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89022138 is a wasteful number, since it uses less digits than its factorization.

89022138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153061.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 89022138 is about 9435.1543707562. The cubic root of 89022138 is about 446.5115254134.

The spelling of 89022138 in words is "eighty-nine million, twenty-two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 97 194 291 582 152959 305918 458877 917754 14837023 29674046 44511069 89022138