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5185090 = 25518509
BaseRepresentation
bin10011110001111001000010
3100202102121101
4103301321002
52311410330
6303045014
762033611
oct23617102
910672541
105185090
112a216a9
1218a076a
1310c7101
1498d878
156c64ca
hex4f1e42

5185090 has 8 divisors (see below), whose sum is σ = 9333180. Its totient is φ = 2074032.

The previous prime is 5185067. The next prime is 5185121. The reversal of 5185090 is 905815.

It can be written as a sum of positive squares in 2 ways, for example, as 5184729 + 361 = 2277^2 + 19^2 .

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

It is an Ulam number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 259245 + ... + 259264.

Almost surely, 25185090 is an apocalyptic number.

5185090 is a deficient number, since it is larger than the sum of its proper divisors (4148090).

5185090 is a wasteful number, since it uses less digits than its factorization.

5185090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518516.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 5185090 is about 2277.0792695908. The cubic root of 5185090 is about 173.0820776179.

Subtracting from 5185090 its reverse (905815), we obtain a triangular number (4279275 = T2925).

The spelling of 5185090 in words is "five million, one hundred eighty-five thousand, ninety".

Divisors: 1 2 5 10 518509 1037018 2592545 5185090