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5068661 = 13389897
BaseRepresentation
bin10011010101011101110101
3100112111220012
4103111131311
52244144121
6300350005
761040303
oct23253565
910474805
105068661
112952184
121845305
131086110
1495d273
156a1c5b
hex4d5775

5068661 has 4 divisors (see below), whose sum is σ = 5458572. Its totient is φ = 4678752.

The previous prime is 5068633. The next prime is 5068691. The reversal of 5068661 is 1668605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1668605 = 5333721.

It can be written as a sum of positive squares in 2 ways, for example, as 1716100 + 3352561 = 1310^2 + 1831^2 .

It is not a de Polignac number, because 5068661 - 26 = 5068597 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 (5068691) 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, 194936 + ... + 194961.

It is an arithmetic number, because the mean of its divisors is an integer number (1364643).

Almost surely, 25068661 is an apocalyptic number.

It is an amenable number.

5068661 is a deficient number, since it is larger than the sum of its proper divisors (389911).

5068661 is a wasteful number, since it uses less digits than its factorization.

5068661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389910.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 5068661 is about 2251.3686948166. The cubic root of 5068661 is about 171.7767633006.

The spelling of 5068661 in words is "five million, sixty-eight thousand, six hundred sixty-one".

Divisors: 1 13 389897 5068661