Search a number
-
+
421325 = 5219887
BaseRepresentation
bin1100110110111001101
3210101221122
41212313031
5101440300
613010325
73403232
oct1466715
9711848
10421325
11268603
121839a5
13119a08
14ad789
1584c85
hex66dcd

421325 has 12 divisors (see below), whose sum is σ = 550560. Its totient is φ = 318960.

The previous prime is 421313. The next prime is 421331. The reversal of 421325 is 523124.

It is not a de Polignac number, because 421325 - 214 = 404941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (45880).

2421325 is an apocalyptic number.

It is an amenable number.

421325 is a deficient number, since it is larger than the sum of its proper divisors (129235).

421325 is a wasteful number, since it uses less digits than its factorization.

421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 911 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 421325 is about 649.0955245571. The cubic root of 421325 is about 74.9673932334.

Adding to 421325 its reverse (523124), we get a palindrome (944449).

The spelling of 421325 in words is "four hundred twenty-one thousand, three hundred twenty-five".

Divisors: 1 5 19 25 95 475 887 4435 16853 22175 84265 421325