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89449163 = 731225331
BaseRepresentation
bin1010101010011…
…10001011001011
320020022111011222
411111032023023
5140344333123
612513112255
72134206506
oct525161313
9206274158
1089449163
1146545531
1225b5868b
13156bb2cb
14bc4613d
157cbd6c8
hex554e2cb

89449163 has 4 divisors (see below), whose sum is σ = 90674568. Its totient is φ = 88223760.

The previous prime is 89449153. The next prime is 89449181. The reversal of 89449163 is 36194498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36194498 = 218097249.

It is a cyclic number.

It is not a de Polignac number, because 89449163 - 26 = 89449099 is a prime.

It is a super-2 number, since 2×894491632 = 16002305522801138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89449153) 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, 612593 + ... + 612738.

It is an arithmetic number, because the mean of its divisors is an integer number (22668642).

Almost surely, 289449163 is an apocalyptic number.

89449163 is a deficient number, since it is larger than the sum of its proper divisors (1225405).

89449163 is a wasteful number, since it uses less digits than its factorization.

89449163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225404.

The product of its digits is 186624, while the sum is 44.

The square root of 89449163 is about 9457.7567636306. The cubic root of 89449163 is about 447.2243350754.

The spelling of 89449163 in words is "eighty-nine million, four hundred forty-nine thousand, one hundred sixty-three".

Divisors: 1 73 1225331 89449163