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89424277 = 385323209
BaseRepresentation
bin1010101010010…
…00000110010101
320020021020001021
411111020012111
5140343034102
612512401141
72134044115
oct525100625
9206236037
1089424277
1146528868
1225b461b1
13156acb97
14bc3b045
157cb6137
hex5548195

89424277 has 4 divisors (see below), whose sum is σ = 89451340. Its totient is φ = 89397216.

The previous prime is 89424211. The next prime is 89424347. The reversal of 89424277 is 77242498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77242498 = 238621249.

It can be written as a sum of positive squares in 2 ways, for example, as 80892036 + 8532241 = 8994^2 + 2921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89424277 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 (89424077) 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 3 ways as a sum of consecutive naturals, for example, 7752 + ... + 15457.

It is an arithmetic number, because the mean of its divisors is an integer number (22362835).

Almost surely, 289424277 is an apocalyptic number.

It is an amenable number.

89424277 is a deficient number, since it is larger than the sum of its proper divisors (27063).

89424277 is a wasteful number, since it uses less digits than its factorization.

89424277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27062.

The product of its digits is 225792, while the sum is 43.

The square root of 89424277 is about 9456.4410324392. The cubic root of 89424277 is about 447.1828565539.

The spelling of 89424277 in words is "eighty-nine million, four hundred twenty-four thousand, two hundred seventy-seven".

Divisors: 1 3853 23209 89424277