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990733 is a prime number
BaseRepresentation
bin11110001111000001101
31212100000211
43301320031
5223200413
633122421
711264302
oct3617015
91770024
10990733
11617397
123b9411
13288c43
141bb0a9
1514883d
hexf1e0d

990733 has 2 divisors, whose sum is σ = 990734. Its totient is φ = 990732.

The previous prime is 990719. The next prime is 990761. The reversal of 990733 is 337099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879844 + 110889 = 938^2 + 333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-990733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 990695 and 990704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (991733) 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 as a sum of consecutive naturals, namely, 495366 + 495367.

It is an arithmetic number, because the mean of its divisors is an integer number (495367).

2990733 is an apocalyptic number.

It is an amenable number.

990733 is a deficient number, since it is larger than the sum of its proper divisors (1).

990733 is an equidigital number, since it uses as much as digits as its factorization.

990733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 990733 is about 995.3557153099. The cubic root of 990733 is about 99.6901408648.

The spelling of 990733 in words is "nine hundred ninety thousand, seven hundred thirty-three".