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4884991 = 31315607
BaseRepresentation
bin10010101000100111111111
3100012011221121
4102220213333
52222304431
6252411411
756343646
oct22504777
910164847
104884991
112837191
121776b67
131020637
1491235d
15667611
hex4a89ff

4884991 has 4 divisors (see below), whose sum is σ = 4900912. Its totient is φ = 4869072.

The previous prime is 4884989. The next prime is 4885007. The reversal of 4884991 is 1994884.

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 4884991 - 21 = 4884989 is a prime.

It is an Ulam number.

It is a Duffinian number.

4884991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4884911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7491 + ... + 8116.

It is an arithmetic number, because the mean of its divisors is an integer number (1225228).

Almost surely, 24884991 is an apocalyptic number.

4884991 is a deficient number, since it is larger than the sum of its proper divisors (15921).

4884991 is a wasteful number, since it uses less digits than its factorization.

4884991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15920.

The product of its digits is 82944, while the sum is 43.

The square root of 4884991 is about 2210.2015745176. The cubic root of 4884991 is about 169.6763276167.

The spelling of 4884991 in words is "four million, eight hundred eighty-four thousand, nine hundred ninety-one".

Divisors: 1 313 15607 4884991