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5043861 = 324113669
BaseRepresentation
bin10011001111011010010101
3100111020212200
4103033122111
52242400421
6300035113
760605064
oct23173225
910436780
105043861
112935589
121832a99
131077a44
149541db
15699726
hex4cf695

5043861 has 12 divisors (see below), whose sum is σ = 7463820. Its totient is φ = 3280320.

The previous prime is 5043847. The next prime is 5043869. The reversal of 5043861 is 1683405.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 3261636 = 1335^2 + 1806^2 .

It is not a de Polignac number, because 5043861 - 29 = 5043349 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5043869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6466 + ... + 7203.

It is an arithmetic number, because the mean of its divisors is an integer number (621985).

Almost surely, 25043861 is an apocalyptic number.

It is an amenable number.

5043861 is a deficient number, since it is larger than the sum of its proper divisors (2419959).

5043861 is a wasteful number, since it uses less digits than its factorization.

5043861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13716 (or 13713 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 5043861 is about 2245.8541804846. The cubic root of 5043861 is about 171.4961480604.

The spelling of 5043861 in words is "five million, forty-three thousand, eight hundred sixty-one".