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89454557 = 404922093
BaseRepresentation
bin1010101010011…
…11011111011101
320020022202120202
411111033133131
5140400021212
612513153245
72134231313
oct525173735
9206282522
1089454557
1146549595
1225b5b825
13156c08ba
14bc480b3
157cc00c2
hex554f7dd

89454557 has 4 divisors (see below), whose sum is σ = 89480700. Its totient is φ = 89428416.

The previous prime is 89454553. The next prime is 89454601. The reversal of 89454557 is 75545498.

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 54479161 + 34975396 = 7381^2 + 5914^2 .

It is a cyclic number.

It is not a de Polignac number, because 89454557 - 22 = 89454553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89454553) 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, 6998 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (22370175).

Almost surely, 289454557 is an apocalyptic number.

It is an amenable number.

89454557 is a deficient number, since it is larger than the sum of its proper divisors (26143).

89454557 is a wasteful number, since it uses less digits than its factorization.

89454557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26142.

The product of its digits is 1008000, while the sum is 47.

The square root of 89454557 is about 9458.0419220894. The cubic root of 89454557 is about 447.2333244629.

The spelling of 89454557 in words is "eighty-nine million, four hundred fifty-four thousand, five hundred fifty-seven".

Divisors: 1 4049 22093 89454557