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89377 = 139643
BaseRepresentation
bin10101110100100001
311112121021
4111310201
510330002
61525441
7521401
oct256441
9145537
1089377
1161172
1243881
13318b2
1424801
151b737
hex15d21

89377 has 4 divisors (see below), whose sum is σ = 90160. Its totient is φ = 88596.

The previous prime is 89371. The next prime is 89381. The reversal of 89377 is 77398.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77398 = 238699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89377 is a prime.

It is a Duffinian number.

89377 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (89371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183 + ... + 460.

It is an arithmetic number, because the mean of its divisors is an integer number (22540).

289377 is an apocalyptic number.

It is an amenable number.

89377 is a deficient number, since it is larger than the sum of its proper divisors (783).

89377 is a wasteful number, since it uses less digits than its factorization.

89377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782.

The product of its digits is 10584, while the sum is 34.

The square root of 89377 is about 298.9598635269. The cubic root of 89377 is about 44.7104036829.

The spelling of 89377 in words is "eighty-nine thousand, three hundred seventy-seven".

Divisors: 1 139 643 89377