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5381857 = 131732393
BaseRepresentation
bin10100100001111011100001
3101010102112001
4110201323201
52334204412
6311204001
763513355
oct24417341
911112461
105381857
113046518
121976601
131165840
14a01465
15714957
hex521ee1

5381857 has 8 divisors (see below), whose sum is σ = 5831784. Its totient is φ = 4937088.

The previous prime is 5381819. The next prime is 5381861. The reversal of 5381857 is 7581835.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 5308416 = 271^2 + 2304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5381857 - 211 = 5379809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5381867) 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 7 ways as a sum of consecutive naturals, for example, 1053 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (728973).

Almost surely, 25381857 is an apocalyptic number.

It is an amenable number.

5381857 is a deficient number, since it is larger than the sum of its proper divisors (449927).

5381857 is a wasteful number, since it uses less digits than its factorization.

5381857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579.

The product of its digits is 33600, while the sum is 37.

The square root of 5381857 is about 2319.8829711863. The cubic root of 5381857 is about 175.2443606698.

The spelling of 5381857 in words is "five million, three hundred eighty-one thousand, eight hundred fifty-seven".

Divisors: 1 13 173 2249 2393 31109 413989 5381857