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4887131 = 7366947
BaseRepresentation
bin10010101001001001011011
3100012021212212
4102221021123
52222342011
6252425335
756353124
oct22511133
910167785
104887131
112838857
12177824b
1310215c2
1491304b
1566808b
hex4a925b

4887131 has 4 divisors (see below), whose sum is σ = 4954152. Its totient is φ = 4820112.

The previous prime is 4887073. The next prime is 4887139. The reversal of 4887131 is 1317884.

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 4887131 - 218 = 4624987 is a prime.

It is a super-2 number, since 2×48871312 = 47768098822322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4887139) 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, 33401 + ... + 33546.

It is an arithmetic number, because the mean of its divisors is an integer number (1238538).

Almost surely, 24887131 is an apocalyptic number.

4887131 is a deficient number, since it is larger than the sum of its proper divisors (67021).

4887131 is an equidigital number, since it uses as much as digits as its factorization.

4887131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67020.

The product of its digits is 5376, while the sum is 32.

The square root of 4887131 is about 2210.6856402483. The cubic root of 4887131 is about 169.7011010728.

The spelling of 4887131 in words is "four million, eight hundred eighty-seven thousand, one hundred thirty-one".

Divisors: 1 73 66947 4887131