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5872005 = 325130489
BaseRepresentation
bin10110011001100110000101
3102001022212200
4112121212011
53000401010
6325505113
7100624356
oct26314605
912038780
105872005
1133507a7
121b72199
1312a7979
14acbd2d
157aecc0
hex599985

5872005 has 12 divisors (see below), whose sum is σ = 10178220. Its totient is φ = 3131712.

The previous prime is 5872003. The next prime is 5872019. The reversal of 5872005 is 5002785.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2490084 + 3381921 = 1578^2 + 1839^2 .

It is not a de Polignac number, because 5872005 - 21 = 5872003 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5872005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5872003) 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 in 11 ways as a sum of consecutive naturals, for example, 65200 + ... + 65289.

It is an arithmetic number, because the mean of its divisors is an integer number (848185).

Almost surely, 25872005 is an apocalyptic number.

It is an amenable number.

5872005 is a deficient number, since it is larger than the sum of its proper divisors (4306215).

5872005 is a wasteful number, since it uses less digits than its factorization.

5872005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130500 (or 130497 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 5872005 is about 2423.2220286222. Note that the first 3 decimals coincide. The cubic root of 5872005 is about 180.4106365706.

The spelling of 5872005 in words is "five million, eight hundred seventy-two thousand, five".

Divisors: 1 3 5 9 15 45 130489 391467 652445 1174401 1957335 5872005