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89037839 = 1112136673
BaseRepresentation
bin1010100111010…
…01110000001111
320012112120221202
411103221300033
5140243202324
612500220115
72130544352
oct523516017
9205476852
1089037839
11462944a0
122599a63b
13155a6017
14bb7a299
157c3b8ae
hex54e9c0f

89037839 has 8 divisors (see below), whose sum is σ = 97226832. Its totient is φ = 80864640.

The previous prime is 89037833. The next prime is 89037847. The reversal of 89037839 is 93873098.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89037839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89037793 and 89037802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89037833) 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, 10007 + ... + 16679.

It is an arithmetic number, because the mean of its divisors is an integer number (12153354).

Almost surely, 289037839 is an apocalyptic number.

89037839 is a deficient number, since it is larger than the sum of its proper divisors (8188993).

89037839 is a wasteful number, since it uses less digits than its factorization.

89037839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 89037839 is about 9435.9863819317. The cubic root of 89037839 is about 446.5377745596.

The spelling of 89037839 in words is "eighty-nine million, thirty-seven thousand, eight hundred thirty-nine".

Divisors: 1 11 1213 6673 13343 73403 8094349 89037839