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5048181 = 324791171
BaseRepresentation
bin10011010000011101110101
3100111110210200
4103100131311
52243020211
6300111113
760623505
oct23203565
910443720
105048181
112938856
121835499
1310799b8
14955a05
1569ab56
hex4d0775

5048181 has 12 divisors (see below), whose sum is σ = 7313280. Its totient is φ = 3355560.

The previous prime is 5048149. The next prime is 5048221. The reversal of 5048181 is 1818405.

5048181 is a `hidden beast` number, since 504 + 81 + 81 = 666.

It is not a de Polignac number, because 5048181 - 25 = 5048149 is a prime.

It is a super-2 number, since 2×50481812 = 50968262817522, which contains 22 as substring.

It is an Ulam number.

5048181 is a modest number, since divided by 8181 gives 504 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5048101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3726 + ... + 4896.

It is an arithmetic number, because the mean of its divisors is an integer number (609440).

Almost surely, 25048181 is an apocalyptic number.

It is an amenable number.

5048181 is a deficient number, since it is larger than the sum of its proper divisors (2265099).

5048181 is a wasteful number, since it uses less digits than its factorization.

5048181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 5048181 is about 2246.8157467848. The cubic root of 5048181 is about 171.5450954803.

The spelling of 5048181 in words is "five million, forty-eight thousand, one hundred eighty-one".

Divisors: 1 3 9 479 1171 1437 3513 4311 10539 560909 1682727 5048181