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4991883 = 313127997
BaseRepresentation
bin10011000010101110001011
3100101121120120
4103002232023
52234220013
6254554323
760300411
oct23025613
910347516
104991883
1128aa526
1218089a3
13105a1a0
1493d2b1
15689123
hex4c2b8b

4991883 has 8 divisors (see below), whose sum is σ = 7167888. Its totient is φ = 3071904.

The previous prime is 4991881. The next prime is 4991893. The reversal of 4991883 is 3881994.

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

It is not a de Polignac number, because 4991883 - 21 = 4991881 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4991881) 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 7 ways as a sum of consecutive naturals, for example, 63960 + ... + 64037.

It is an arithmetic number, because the mean of its divisors is an integer number (895986).

Almost surely, 24991883 is an apocalyptic number.

4991883 is a deficient number, since it is larger than the sum of its proper divisors (2176005).

4991883 is a wasteful number, since it uses less digits than its factorization.

4991883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128013.

The product of its digits is 62208, while the sum is 42.

The square root of 4991883 is about 2234.2522238995. The cubic root of 4991883 is about 170.9050120516.

The spelling of 4991883 in words is "four million, nine hundred ninety-one thousand, eight hundred eighty-three".

Divisors: 1 3 13 39 127997 383991 1663961 4991883