Search a number
-
+
225877197 = 3713827389
BaseRepresentation
bin11010111011010…
…01110011001101
3120202000202021010
431131221303031
5430311032242
634225155433
75411632050
oct1535516315
9522022233
10225877197
11106557977
126378bb79
1337a47860
1421ddaa97
1514c6b89c
hexd769ccd

225877197 has 16 divisors (see below), whose sum is σ = 370670720. Its totient is φ = 119143872.

The previous prime is 225877189. The next prime is 225877217. The reversal of 225877197 is 791778522.

It is a happy number.

It is not a de Polignac number, because 225877197 - 23 = 225877189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225877117) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 413422 + ... + 413967.

It is an arithmetic number, because the mean of its divisors is an integer number (23166920).

Almost surely, 2225877197 is an apocalyptic number.

It is an amenable number.

225877197 is a deficient number, since it is larger than the sum of its proper divisors (144793523).

225877197 is a wasteful number, since it uses less digits than its factorization.

225877197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827412.

The product of its digits is 493920, while the sum is 48.

The square root of 225877197 is about 15029.2114563606. The cubic root of 225877197 is about 609.0095878301.

The spelling of 225877197 in words is "two hundred twenty-five million, eight hundred seventy-seven thousand, one hundred ninety-seven".

Divisors: 1 3 7 13 21 39 91 273 827389 2482167 5791723 10756057 17375169 32268171 75292399 225877197