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89671393 = 7192967347
BaseRepresentation
bin1010101100001…
…00011011100001
320020201210000201
411112010123201
5140423441033
612521545201
72136123430
oct526043341
9206653021
1089671393
1146687499
1226045201
13157684c6
14bca3117
157d1447d
hex55846e1

89671393 has 32 divisors (see below), whose sum is σ = 113587200. Its totient is φ = 69056064.

The previous prime is 89671391. The next prime is 89671397. The reversal of 89671393 is 39317698.

It is not a de Polignac number, because 89671393 - 21 = 89671391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89671391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258246 + ... + 258592.

It is an arithmetic number, because the mean of its divisors is an integer number (3549600).

Almost surely, 289671393 is an apocalyptic number.

It is an amenable number.

89671393 is a deficient number, since it is larger than the sum of its proper divisors (23915807).

89671393 is a wasteful number, since it uses less digits than its factorization.

89671393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its digits is 244944, while the sum is 46.

The square root of 89671393 is about 9469.4980331589. The cubic root of 89671393 is about 447.5943943274.

The spelling of 89671393 in words is "eighty-nine million, six hundred seventy-one thousand, three hundred ninety-three".

Divisors: 1 7 19 29 67 133 203 347 469 551 1273 1943 2429 3857 6593 8911 10063 13601 23249 36917 46151 70441 162743 191197 258419 441731 674221 1338379 3092117 4719547 12810199 89671393