Search a number
-
+
225193308 = 22318766109
BaseRepresentation
bin11010110110000…
…10110101011100
3120200202000010220
431123002311130
5430122141213
634202401340
75403053154
oct1533026534
9520660126
10225193308
1110613007a
1263500250
13378684a2
1421c9d764
1514b83e23
hexd6c2d5c

225193308 has 12 divisors (see below), whose sum is σ = 525451080. Its totient is φ = 75064432.

The previous prime is 225193303. The next prime is 225193351. The reversal of 225193308 is 803391522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225193303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9383043 + ... + 9383066.

It is an arithmetic number, because the mean of its divisors is an integer number (43787590).

Almost surely, 2225193308 is an apocalyptic number.

It is an amenable number.

225193308 is an abundant number, since it is smaller than the sum of its proper divisors (300257772).

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

225193308 is a wasteful number, since it uses less digits than its factorization.

225193308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766116 (or 18766114 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 225193308 is about 15006.4422165948. The cubic root of 225193308 is about 608.3943331504.

It can be divided in two parts, 2251 and 93308, that added together give a palindrome (95559).

The spelling of 225193308 in words is "two hundred twenty-five million, one hundred ninety-three thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 18766109 37532218 56298327 75064436 112596654 225193308