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5404865 = 51080973
BaseRepresentation
bin10100100111100011000001
3101011121002012
4110213203001
52340423430
6311502305
763640424
oct24474301
911147065
105404865
113061834
121987995
13117315b
14a099bb
1571b695
hex5278c1

5404865 has 4 divisors (see below), whose sum is σ = 6485844. Its totient is φ = 4323888.

The previous prime is 5404853. The next prime is 5404879. The reversal of 5404865 is 5684045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5684045 = 51136809.

It can be written as a sum of positive squares in 2 ways, for example, as 3579664 + 1825201 = 1892^2 + 1351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5404865 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540482 + ... + 540491.

It is an arithmetic number, because the mean of its divisors is an integer number (1621461).

Almost surely, 25404865 is an apocalyptic number.

It is an amenable number.

5404865 is a deficient number, since it is larger than the sum of its proper divisors (1080979).

5404865 is a wasteful number, since it uses less digits than its factorization.

5404865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080978.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 5404865 is about 2324.8365533947. The cubic root of 5404865 is about 175.4937349462.

The spelling of 5404865 in words is "five million, four hundred four thousand, eight hundred sixty-five".

Divisors: 1 5 1080973 5404865