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4871049 = 31997881
BaseRepresentation
bin10010100101001110001001
3100011110211020
4102211032021
52221333144
6252223053
756255211
oct22451611
910143736
104871049
112827767
12176aa89
1310171a1
1490b241
15663419
hex4a5389

4871049 has 16 divisors (see below), whose sum is σ = 6914880. Its totient is φ = 3041280.

The previous prime is 4871029. The next prime is 4871057. The reversal of 4871049 is 9401784.

It is not a de Polignac number, because 4871049 - 25 = 4871017 is a prime.

4871049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4871029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5089 + ... + 5969.

It is an arithmetic number, because the mean of its divisors is an integer number (432180).

Almost surely, 24871049 is an apocalyptic number.

It is an amenable number.

4871049 is a deficient number, since it is larger than the sum of its proper divisors (2043831).

4871049 is a wasteful number, since it uses less digits than its factorization.

4871049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 4871049 is about 2207.0453099110. The cubic root of 4871049 is about 169.5147523294.

The spelling of 4871049 in words is "four million, eight hundred seventy-one thousand, forty-nine".

Divisors: 1 3 19 57 97 291 881 1843 2643 5529 16739 50217 85457 256371 1623683 4871049