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5307805 = 51061561
BaseRepresentation
bin10100001111110110011101
3100222122221101
4110033312131
52324322210
6305433101
763054436
oct24176635
910878841
105307805
112aa5918
12193b791
13113ac19
149c248d
156eca3a
hex50fd9d

5307805 has 4 divisors (see below), whose sum is σ = 6369372. Its totient is φ = 4246240.

The previous prime is 5307803. The next prime is 5307811. The reversal of 5307805 is 5087035.

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 1454436 + 3853369 = 1206^2 + 1963^2 .

It is not a de Polignac number, because 5307805 - 21 = 5307803 is a prime.

It is a Duffinian number.

5307805 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5307803) 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, 530776 + ... + 530785.

It is an arithmetic number, because the mean of its divisors is an integer number (1592343).

Almost surely, 25307805 is an apocalyptic number.

It is an amenable number.

5307805 is a deficient number, since it is larger than the sum of its proper divisors (1061567).

5307805 is a wasteful number, since it uses less digits than its factorization.

5307805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061566.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5307805 is about 2303.8674006982. The cubic root of 5307805 is about 174.4368838221.

The spelling of 5307805 in words is "five million, three hundred seven thousand, eight hundred five".

Divisors: 1 5 1061561 5307805