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5128291 = 72104659
BaseRepresentation
bin10011100100000001100011
3100122112200201
4103210001203
52303101131
6301530031
761406200
oct23440143
910575621
105128291
112992a63
121873917
1310a72bc
14976ca7
156b4761
hex4e4063

5128291 has 6 divisors (see below), whose sum is σ = 5965620. Its totient is φ = 4395636.

The previous prime is 5128283. The next prime is 5128297. The reversal of 5128291 is 1928215.

5128291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5128291 - 23 = 5128283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5128297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52281 + ... + 52378.

It is an arithmetic number, because the mean of its divisors is an integer number (994270).

Almost surely, 25128291 is an apocalyptic number.

5128291 is a deficient number, since it is larger than the sum of its proper divisors (837329).

5128291 is a wasteful number, since it uses less digits than its factorization.

5128291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104673 (or 104666 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 5128291 is about 2264.5730281888. The cubic root of 5128291 is about 172.4477584574.

The spelling of 5128291 in words is "five million, one hundred twenty-eight thousand, two hundred ninety-one".

Divisors: 1 7 49 104659 732613 5128291