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4982191 = 23216617
BaseRepresentation
bin10011000000010110101111
3100101010021121
4103000112233
52233412231
6254441411
760230224
oct23002657
910333247
104982191
1128a3215
121803267
131055956
1493994b
15686311
hex4c05af

4982191 has 4 divisors (see below), whose sum is σ = 5198832. Its totient is φ = 4765552.

The previous prime is 4982189. The next prime is 4982203. The reversal of 4982191 is 1912894.

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

It is a cyclic number.

It is not a de Polignac number, because 4982191 - 21 = 4982189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4982101) 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, 108286 + ... + 108331.

It is an arithmetic number, because the mean of its divisors is an integer number (1299708).

Almost surely, 24982191 is an apocalyptic number.

4982191 is a deficient number, since it is larger than the sum of its proper divisors (216641).

4982191 is a wasteful number, since it uses less digits than its factorization.

4982191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216640.

The product of its digits is 5184, while the sum is 34.

The square root of 4982191 is about 2232.0822117476. The cubic root of 4982191 is about 170.7943334068.

The spelling of 4982191 in words is "four million, nine hundred eighty-two thousand, one hundred ninety-one".

Divisors: 1 23 216617 4982191