Search a number
-
+
225583960 = 23571942403
BaseRepresentation
bin11010111001000…
…10001101011000
3120201110212000111
431130202031120
5430222141320
634215014104
75406301120
oct1534421530
9521425014
10225583960
11106377628
126366a334
1337974244
1421d61c80
1514c0ea5a
hexd722358

225583960 has 64 divisors (see below), whose sum is σ = 610617600. Its totient is φ = 73270656.

The previous prime is 225583937. The next prime is 225584071. The reversal of 225583960 is 69385522.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15882 + ... + 26521.

It is an arithmetic number, because the mean of its divisors is an integer number (9540900).

Almost surely, 2225583960 is an apocalyptic number.

225583960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225583960 is an abundant number, since it is smaller than the sum of its proper divisors (385033640).

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

225583960 is a wasteful number, since it uses less digits than its factorization.

225583960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42440 (or 42436 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 225583960 is about 15019.4527197232. The cubic root of 225583960 is about 608.7459320578.

The spelling of 225583960 in words is "two hundred twenty-five million, five hundred eighty-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 95 133 140 152 190 266 280 380 532 665 760 1064 1330 2660 5320 42403 84806 169612 212015 296821 339224 424030 593642 805657 848060 1187284 1484105 1611314 1696120 2374568 2968210 3222628 4028285 5639599 5936420 6445256 8056570 11279198 11872840 16113140 22558396 28197995 32226280 45116792 56395990 112791980 225583960