Search a number
-
+
225081108 = 223272127597
BaseRepresentation
bin11010110101001…
…11011100010100
3120200112022020100
431122213130110
5430110043413
634200134100
75402105100
oct1532473424
9520468210
10225081108
1110606384a
1263467330
13378293b5
1421c70900
1514b60a73
hexd6a7714

225081108 has 54 divisors (see below), whose sum is σ = 661850826. Its totient is φ = 64308384.

The previous prime is 225081091. The next prime is 225081113. The reversal of 225081108 is 801180522.

It can be written as a sum of positive squares in only one way, i.e., 118330884 + 106750224 = 10878^2 + 10332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 62035 + ... + 65562.

Almost surely, 2225081108 is an apocalyptic number.

225081108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225081108 is an abundant number, since it is smaller than the sum of its proper divisors (436769718).

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

225081108 is a wasteful number, since it uses less digits than its factorization.

225081108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127621 (or 127609 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 225081108 is about 15002.7033563955. The cubic root of 225081108 is about 608.2932745165.

The spelling of 225081108 in words is "two hundred twenty-five million, eighty-one thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 127597 255194 382791 510388 765582 893179 1148373 1531164 1786358 2296746 2679537 3572716 4593492 5359074 6252253 8038611 10718148 12504506 16077222 18756759 25009012 32154444 37513518 56270277 75027036 112540554 225081108