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89352531 = 333309353
BaseRepresentation
bin1010101001101…
…10100101010011
320020010120122000
411110312211103
5140333240111
612511045043
72133325002
oct524664523
9206116560
1089352531
1146489974
1225b10783
1315686328
14bc1cc39
157c9ec56
hex5536953

89352531 has 8 divisors (see below), whose sum is σ = 132374160. Its totient is φ = 59568336.

The previous prime is 89352479. The next prime is 89352533. The reversal of 89352531 is 13525398.

It is a de Polignac number, because none of the positive numbers 2k-89352531 is a prime.

It is a super-2 number, since 2×893525312 = 15967749592211922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89352533) 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, 1654650 + ... + 1654703.

It is an arithmetic number, because the mean of its divisors is an integer number (16546770).

Almost surely, 289352531 is an apocalyptic number.

89352531 is a deficient number, since it is larger than the sum of its proper divisors (43021629).

89352531 is a wasteful number, since it uses less digits than its factorization.

89352531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309362 (or 3309356 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 89352531 is about 9452.6467722009. The cubic root of 89352531 is about 447.0632314496.

It can be divided in two parts, 8 and 9352531, that added together give a palindrome (9352539).

The spelling of 89352531 in words is "eighty-nine million, three hundred fifty-two thousand, five hundred thirty-one".

Divisors: 1 3 9 27 3309353 9928059 29784177 89352531