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5100005 = 51020001
BaseRepresentation
bin10011011101000111100101
3100121002220002
4103131013211
52301200010
6301151045
761230551
oct23350745
910532802
105100005
112973789
12185b485
131097471
1496a861
156ab1a5
hex4dd1e5

5100005 has 4 divisors (see below), whose sum is σ = 6120012. Its totient is φ = 4080000.

The previous prime is 5099993. The next prime is 5100071. The reversal of 5100005 is 5000015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5000015 = 51000003.

It can be written as a sum of positive squares in 2 ways, for example, as 2439844 + 2660161 = 1562^2 + 1631^2 .

It is not a de Polignac number, because 5100005 - 24 = 5099989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509996 + ... + 510005.

It is an arithmetic number, because the mean of its divisors is an integer number (1530003).

Almost surely, 25100005 is an apocalyptic number.

It is an amenable number.

5100005 is a deficient number, since it is larger than the sum of its proper divisors (1020007).

5100005 is a wasteful number, since it uses less digits than its factorization.

5100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020006.

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 5100005 is about 2258.3190651456. The cubic root of 5100005 is about 172.1301183243.

The spelling of 5100005 in words is "five million, one hundred thousand, five".

Divisors: 1 5 1020001 5100005