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89077 = 281317
BaseRepresentation
bin10101101111110101
311112012011
4111233311
510322302
61524221
7520462
oct255765
9145164
1089077
1160a1a
1243671
1331711
1424669
151b5d7
hex15bf5

89077 has 4 divisors (see below), whose sum is σ = 89676. Its totient is φ = 88480.

The previous prime is 89071. The next prime is 89083. The reversal of 89077 is 77098.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (89071) and next prime (89083).

It can be written as a sum of positive squares in 2 ways, for example, as 28561 + 60516 = 169^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 89077 - 23 = 89069 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89071) 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, 123 + ... + 439.

It is an arithmetic number, because the mean of its divisors is an integer number (22419).

289077 is an apocalyptic number.

It is an amenable number.

89077 is a deficient number, since it is larger than the sum of its proper divisors (599).

89077 is a wasteful number, since it uses less digits than its factorization.

89077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 89077 is about 298.4577021958. The cubic root of 89077 is about 44.6603231010.

The spelling of 89077 in words is "eighty-nine thousand, seventy-seven".

Divisors: 1 281 317 89077