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89531401 = 17191092543
BaseRepresentation
bin1010101011000…
…10010000001001
320020110122222211
411111202100021
5140410001101
612514545121
72135001331
oct525422011
9206418884
1089531401
11465a12a3
1225b981a1
131571987b
14bc680c1
157cd7c51
hex5562409

89531401 has 16 divisors (see below), whose sum is σ = 100742400. Its totient is φ = 79066368.

The previous prime is 89531389. The next prime is 89531417. The reversal of 89531401 is 10413598.

It is a cyclic number.

It is not a de Polignac number, because 89531401 - 213 = 89523209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89531471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33936 + ... + 36478.

It is an arithmetic number, because the mean of its divisors is an integer number (6296400).

Almost surely, 289531401 is an apocalyptic number.

It is an amenable number.

89531401 is a deficient number, since it is larger than the sum of its proper divisors (11210999).

89531401 is a wasteful number, since it uses less digits than its factorization.

89531401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 89531401 is about 9462.1034130895. The cubic root of 89531401 is about 447.3613498449.

Adding to 89531401 its reverse (10413598), we get a palindrome (99944999).

The spelling of 89531401 in words is "eighty-nine million, five hundred thirty-one thousand, four hundred one".

Divisors: 1 17 19 109 323 1853 2071 2543 35207 43231 48317 277187 821389 4712179 5266553 89531401