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89045 = 5111619
BaseRepresentation
bin10101101111010101
311112010222
4111233111
510322140
61524125
7520415
oct255725
9145128
1089045
11609a0
1243645
13316b8
1424645
151b5b5
hex15bd5

89045 has 8 divisors (see below), whose sum is σ = 116640. Its totient is φ = 64720.

The previous prime is 89041. The next prime is 89051. The reversal of 89045 is 54098.

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

It is not a de Polignac number, because 89045 - 22 = 89041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755 + ... + 864.

It is an arithmetic number, because the mean of its divisors is an integer number (14580).

289045 is an apocalyptic number.

It is an amenable number.

89045 is a deficient number, since it is larger than the sum of its proper divisors (27595).

89045 is a wasteful number, since it uses less digits than its factorization.

89045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 89045 is about 298.4040884438. The cubic root of 89045 is about 44.6549745393.

The spelling of 89045 in words is "eighty-nine thousand, forty-five".

Divisors: 1 5 11 55 1619 8095 17809 89045