Search a number
-
+
225702252 = 223210360869
BaseRepresentation
bin11010111001111…
…11000101101100
3120201200212021200
431130333011230
5430234433002
634221325500
75410303026
oct1534770554
9521625250
10225702252
11106448496
1263706890
13379b6039
1421d93016
1514c34b1c
hexd73f16c

225702252 has 36 divisors (see below), whose sum is σ = 576073680. Its totient is φ = 74502432.

The previous prime is 225702233. The next prime is 225702259. The reversal of 225702252 is 252207522.

225702252 = 14292 + 14302 + ... + 15312.

225702252 is a `hidden beast` number, since 22 + 570 + 22 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (225702259) 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 11 ways as a sum of consecutive naturals, for example, 26727 + ... + 34142.

Almost surely, 2225702252 is an apocalyptic number.

It is an amenable number.

225702252 is an abundant number, since it is smaller than the sum of its proper divisors (350371428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225702252 is a wasteful number, since it uses less digits than its factorization.

225702252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60982 (or 60977 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 225702252 is about 15023.3901633420. The cubic root of 225702252 is about 608.8523184495.

Adding to 225702252 its reverse (252207522), we get a palindrome (477909774).

The spelling of 225702252 in words is "two hundred twenty-five million, seven hundred two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1236 1854 3708 60869 121738 182607 243476 365214 547821 730428 1095642 2191284 6269507 12539014 18808521 25078028 37617042 56425563 75234084 112851126 225702252