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5152085 = 51030417
BaseRepresentation
bin10011101001110101010101
3100200202022222
4103221311111
52304331320
6302232125
761535441
oct23516525
910622288
105152085
1129a9924
121885645
1310b5093
14981821
156bb825
hex4e9d55

5152085 has 4 divisors (see below), whose sum is σ = 6182508. Its totient is φ = 4121664.

The previous prime is 5152051. The next prime is 5152087. The reversal of 5152085 is 5802515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5802515 = 51160503.

It can be written as a sum of positive squares in 2 ways, for example, as 2798929 + 2353156 = 1673^2 + 1534^2 .

It is a cyclic number.

It is not a de Polignac number, because 5152085 - 210 = 5151061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5152087) 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, 515204 + ... + 515213.

It is an arithmetic number, because the mean of its divisors is an integer number (1545627).

Almost surely, 25152085 is an apocalyptic number.

It is an amenable number.

5152085 is a deficient number, since it is larger than the sum of its proper divisors (1030423).

5152085 is a wasteful number, since it uses less digits than its factorization.

5152085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030422.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5152085 is about 2269.8204774827. The cubic root of 5152085 is about 172.7140519974.

The spelling of 5152085 in words is "five million, one hundred fifty-two thousand, eighty-five".

Divisors: 1 5 1030417 5152085