Search a number
-
+
225439048 = 2328179881
BaseRepresentation
bin11010110111111…
…10110101001000
3120201012111020101
431123332311020
5430203022143
634211535144
75405125462
oct1533766510
9521174211
10225439048
1110628876a
12635ba4b4
13379232b3
1421d25132
1514bd1b4d
hexd6fed48

225439048 has 8 divisors (see below), whose sum is σ = 422698230. Its totient is φ = 112719520.

The previous prime is 225439021. The next prime is 225439063. The reversal of 225439048 is 840934522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 201015684 + 24423364 = 14178^2 + 4942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 225438998 and 225439016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14089933 + ... + 14089948.

Almost surely, 2225439048 is an apocalyptic number.

It is an amenable number.

225439048 is a deficient number, since it is larger than the sum of its proper divisors (197259182).

225439048 is a wasteful number, since it uses less digits than its factorization.

225439048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28179887 (or 28179883 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 225439048 is about 15014.6278009147. The cubic root of 225439048 is about 608.6155541614.

The spelling of 225439048 in words is "two hundred twenty-five million, four hundred thirty-nine thousand, forty-eight".

Divisors: 1 2 4 8 28179881 56359762 112719524 225439048