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4996181 = 17293893
BaseRepresentation
bin10011000011110001010101
3100101211110202
4103003301111
52234334211
6255030245
760316061
oct23036125
910354422
104996181
112902783
12180b385
13105c128
14940aa1
1568a53b
hex4c3c55

4996181 has 4 divisors (see below), whose sum is σ = 5290092. Its totient is φ = 4702272.

The previous prime is 4996169. The next prime is 4996223. The reversal of 4996181 is 1816994.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2464900 + 2531281 = 1570^2 + 1591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4996181 is a prime.

It is a super-2 number, since 2×49961812 = 49923649169522, which contains 22 as substring.

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 (4996111) 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 3 ways as a sum of consecutive naturals, for example, 146930 + ... + 146963.

It is an arithmetic number, because the mean of its divisors is an integer number (1322523).

Almost surely, 24996181 is an apocalyptic number.

It is an amenable number.

4996181 is a deficient number, since it is larger than the sum of its proper divisors (293911).

4996181 is a wasteful number, since it uses less digits than its factorization.

4996181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293910.

The product of its digits is 15552, while the sum is 38.

The square root of 4996181 is about 2235.2138600143. The cubic root of 4996181 is about 170.9540475911.

The spelling of 4996181 in words is "four million, nine hundred ninety-six thousand, one hundred eighty-one".

Divisors: 1 17 293893 4996181