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5090 = 25509
BaseRepresentation
bin1001111100010
320222112
41033202
5130330
635322
720561
oct11742
96875
105090
113908
122b42
132417
141bd8
151795
hex13e2

5090 has 8 divisors (see below), whose sum is σ = 9180. Its totient is φ = 2032.

The previous prime is 5087. The next prime is 5099. The reversal of 5090 is 905.

Added to its reverse (905) it gives a triangular number (5995 = T109).

It can be written as a sum of positive squares in 2 ways, for example, as 5041 + 49 = 71^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

5090 is a modest number, since divided by 90 gives 50 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245 + ... + 264.

25090 is an apocalyptic number.

5090 is a deficient number, since it is larger than the sum of its proper divisors (4090).

5090 is a wasteful number, since it uses less digits than its factorization.

5090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 5090 is about 71.3442359269. The cubic root of 5090 is about 17.2017485152.

Adding to 5090 its reverse (905), we get a palindrome (5995).

The spelling of 5090 in words is "five thousand, ninety".

Divisors: 1 2 5 10 509 1018 2545 5090