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4425493 = 15492857
BaseRepresentation
bin10000111000011100010101
322022211122011
4100320130111
52113103433
6234504221
752421212
oct20703425
98284564
104425493
112552a36
121595071
13bbc447
14832b09
155c63cd
hex438715

4425493 has 4 divisors (see below), whose sum is σ = 4429900. Its totient is φ = 4421088.

The previous prime is 4425437. The next prime is 4425497. The reversal of 4425493 is 3945244.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2241009 + 2184484 = 1497^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425493 - 221 = 2328341 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 (4425497) 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, 121 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (1107475).

Almost surely, 24425493 is an apocalyptic number.

It is an amenable number.

4425493 is a deficient number, since it is larger than the sum of its proper divisors (4407).

4425493 is a wasteful number, since it uses less digits than its factorization.

4425493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406.

The product of its digits is 17280, while the sum is 31.

The square root of 4425493 is about 2103.6855753653. The cubic root of 4425493 is about 164.1801139348.

Subtracting from 4425493 its reverse (3945244), we obtain a square (480249 = 6932).

The spelling of 4425493 in words is "four million, four hundred twenty-five thousand, four hundred ninety-three".

Divisors: 1 1549 2857 4425493