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89048977 = 731219849
BaseRepresentation
bin1010100111011…
…00011110010001
320012120011020021
411103230132101
5140244031402
612500343441
72130622003
oct523543621
9205504207
1089048977
11462a18a6
12259a4b81
13155ab104
14bb80373
157c3ed37
hex54ec791

89048977 has 4 divisors (see below), whose sum is σ = 90268900. Its totient is φ = 87829056.

The previous prime is 89048969. The next prime is 89048989. The reversal of 89048977 is 77984098.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23049601 + 65999376 = 4801^2 + 8124^2 .

It is a cyclic number.

It is not a de Polignac number, because 89048977 - 23 = 89048969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89045977) 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, 609852 + ... + 609997.

It is an arithmetic number, because the mean of its divisors is an integer number (22567225).

Almost surely, 289048977 is an apocalyptic number.

It is an amenable number.

89048977 is a deficient number, since it is larger than the sum of its proper divisors (1219923).

89048977 is a wasteful number, since it uses less digits than its factorization.

89048977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219922.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 89048977 is about 9436.5765508472. The cubic root of 89048977 is about 446.5563933492.

The spelling of 89048977 in words is "eighty-nine million, forty-eight thousand, nine hundred seventy-seven".

Divisors: 1 73 1219849 89048977