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5281957 = 28118797
BaseRepresentation
bin10100001001100010100101
3100221100111001
4110021202211
52323010312
6305113301
762616202
oct24114245
910840431
105281957
112a8845a
121928831
13112c225
149b6ca9
156e5057
hex5098a5

5281957 has 4 divisors (see below), whose sum is σ = 5301036. Its totient is φ = 5262880.

The previous prime is 5281949. The next prime is 5281979. The reversal of 5281957 is 7591825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3996001 + 1285956 = 1999^2 + 1134^2 .

It is a cyclic number.

It is not a de Polignac number, because 5281957 - 23 = 5281949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9118 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (1325259).

Almost surely, 25281957 is an apocalyptic number.

It is an amenable number.

5281957 is a deficient number, since it is larger than the sum of its proper divisors (19079).

5281957 is a wasteful number, since it uses less digits than its factorization.

5281957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19078.

The product of its digits is 25200, while the sum is 37.

The square root of 5281957 is about 2298.2508566299. The cubic root of 5281957 is about 174.1532647925.

It can be divided in two parts, 528 and 1957, that added together give a triangular number (2485 = T70).

The spelling of 5281957 in words is "five million, two hundred eighty-one thousand, nine hundred fifty-seven".

Divisors: 1 281 18797 5281957