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89389577 = 839106543
BaseRepresentation
bin1010101001111…
…11101000001001
320020012110110002
411110333220021
5140340431302
612511532345
72133541004
oct524775011
9206173402
1089389577
1146504792
1225b2a0b5
131569a154
14bc2c53b
157caac02
hex553fa09

89389577 has 4 divisors (see below), whose sum is σ = 89496960. Its totient is φ = 89282196.

The previous prime is 89389567. The next prime is 89389579. The reversal of 89389577 is 77598398.

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.

It is a cyclic number.

It is not a de Polignac number, because 89389577 - 222 = 85195273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89389579) 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, 52433 + ... + 54110.

It is an arithmetic number, because the mean of its divisors is an integer number (22374240).

Almost surely, 289389577 is an apocalyptic number.

It is an amenable number.

89389577 is a deficient number, since it is larger than the sum of its proper divisors (107383).

89389577 is a wasteful number, since it uses less digits than its factorization.

89389577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107382.

The product of its digits is 3810240, while the sum is 56.

The square root of 89389577 is about 9454.6061261165. The cubic root of 89389577 is about 447.1250077863.

The spelling of 89389577 in words is "eighty-nine million, three hundred eighty-nine thousand, five hundred seventy-seven".

Divisors: 1 839 106543 89389577