Search a number
-
+
425504245 = 5351724197
BaseRepresentation
bin11001010111001…
…010110111110101
31002122122212002111
4121113022313311
51332412113440
6110120011021
713354504105
oct3127126765
91078585074
10425504245
111a9205701
12ba600a71
136a20117a
1440723205
15275504ea
hex195cadf5

425504245 has 8 divisors (see below), whose sum is σ = 510771384. Its totient is φ = 340292544.

The previous prime is 425504243. The next prime is 425504263. The reversal of 425504245 is 542405524.

It can be written as a sum of positive squares in 4 ways, for example, as 88341201 + 337163044 = 9399^2 + 18362^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 425504245 - 21 = 425504243 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 (425504243) 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, 5487 + ... + 29683.

It is an arithmetic number, because the mean of its divisors is an integer number (63846423).

Almost surely, 2425504245 is an apocalyptic number.

It is an amenable number.

425504245 is a deficient number, since it is larger than the sum of its proper divisors (85267139).

425504245 is a wasteful number, since it uses less digits than its factorization.

425504245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27719.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 425504245 is about 20627.7542403433. The cubic root of 425504245 is about 752.1445258709.

Adding to 425504245 its reverse (542405524), we get a palindrome (967909769).

The spelling of 425504245 in words is "four hundred twenty-five million, five hundred four thousand, two hundred forty-five".

Divisors: 1 5 3517 17585 24197 120985 85100849 425504245