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5000047 = 13384619
BaseRepresentation
bin10011000100101101101111
3100102000202221
4103010231233
52240000142
6255100211
760333253
oct23045557
910360687
105000047
112905678
121811667
131060b10
14942263
1568b767
hex4c4b6f

5000047 has 4 divisors (see below), whose sum is σ = 5384680. Its totient is φ = 4615416.

The previous prime is 5000011. The next prime is 5000077. The reversal of 5000047 is 7400005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7400005 = 51480001.

It is not a de Polignac number, because 5000047 - 215 = 4967279 is a prime.

It is a Duffinian number.

5000047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000077) by changing a digit.

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, 192297 + ... + 192322.

It is an arithmetic number, because the mean of its divisors is an integer number (1346170).

Almost surely, 25000047 is an apocalyptic number.

5000047 is a deficient number, since it is larger than the sum of its proper divisors (384633).

5000047 is a wasteful number, since it uses less digits than its factorization.

5000047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384632.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 5000047 is about 2236.0784869946. The cubic root of 5000047 is about 170.9981304585.

The spelling of 5000047 in words is "five million, forty-seven", and thus it is an aban number and an uban number.

Divisors: 1 13 384619 5000047