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989533 is a prime number
BaseRepresentation
bin11110001100101011101
31212021101101
43301211131
5223131113
633113101
711260636
oct3614535
91767341
10989533
116164a6
123b8791
1328852c
141ba88d
151482dd
hexf195d

989533 has 2 divisors, whose sum is σ = 989534. Its totient is φ = 989532.

The previous prime is 989507. The next prime is 989557. The reversal of 989533 is 335989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544644 + 444889 = 738^2 + 667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-989533 is a prime.

989533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 989492 and 989501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494766 + 494767.

It is an arithmetic number, because the mean of its divisors is an integer number (494767).

2989533 is an apocalyptic number.

It is an amenable number.

989533 is a deficient number, since it is larger than the sum of its proper divisors (1).

989533 is an equidigital number, since it uses as much as digits as its factorization.

989533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 989533 is about 994.7527330950. The cubic root of 989533 is about 99.6498755595.

The spelling of 989533 in words is "nine hundred eighty-nine thousand, five hundred thirty-three".