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89071249 = 2319491987
BaseRepresentation
bin1010100111100…
…01111010010001
320012121021210011
411103301322101
5140300234444
612501034521
72131043641
oct523617221
9205537704
1089071249
1146307603
12259b5a41
13155b82a7
14bb88521
157c46734
hex54f1e91

89071249 has 8 divisors (see below), whose sum is σ = 93038400. Its totient is φ = 85112016.

The previous prime is 89071243. The next prime is 89071253. The reversal of 89071249 is 94217098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89071249 - 213 = 89063057 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (89071243) 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, 43834 + ... + 45820.

It is an arithmetic number, because the mean of its divisors is an integer number (11629800).

Almost surely, 289071249 is an apocalyptic number.

It is an amenable number.

89071249 is a deficient number, since it is larger than the sum of its proper divisors (3967151).

89071249 is a wasteful number, since it uses less digits than its factorization.

89071249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 89071249 is about 9437.7565660489. The cubic root of 89071249 is about 446.5936195861.

The spelling of 89071249 in words is "eighty-nine million, seventy-one thousand, two hundred forty-nine".

Divisors: 1 23 1949 1987 44827 45701 3872663 89071249