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4425987 = 31579397
BaseRepresentation
bin10000111000100100000011
322022212022110
4100320210003
52113112422
6234510403
752422516
oct20704403
98285273
104425987
112553345
121595403
13bbc737
14832d7d
155c660c
hex438903

4425987 has 8 divisors (see below), whose sum is σ = 5939536. Its totient is φ = 2931552.

The previous prime is 4425983. The next prime is 4425989. The reversal of 4425987 is 7895244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4425987 - 22 = 4425983 is a prime.

It is a Duffinian number.

4425987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4425983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (742442).

Almost surely, 24425987 is an apocalyptic number.

4425987 is a deficient number, since it is larger than the sum of its proper divisors (1513549).

4425987 is a wasteful number, since it uses less digits than its factorization.

4425987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557.

The product of its digits is 80640, while the sum is 39.

The square root of 4425987 is about 2103.8029850725. The cubic root of 4425987 is about 164.1862226296.

The spelling of 4425987 in words is "four million, four hundred twenty-five thousand, nine hundred eighty-seven".

Divisors: 1 3 157 471 9397 28191 1475329 4425987