Search a number
-
+
225247254 = 23331911311
BaseRepresentation
bin11010110110100…
…00000000010110
3120200211202010220
431123100000112
5430130403004
634203455210
75403366351
oct1533200026
9520752126
10225247254
11106167661
1263527506
1337886bcb
1421cb5298
1514b94dd9
hexd6d0016

225247254 has 16 divisors (see below), whose sum is σ = 450670080. Its totient is φ = 75053160.

The previous prime is 225247241. The next prime is 225247283. The reversal of 225247254 is 452742522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14259 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (28166880).

Almost surely, 2225247254 is an apocalyptic number.

225247254 is an abundant number, since it is smaller than the sum of its proper divisors (225422826).

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

225247254 is a wasteful number, since it uses less digits than its factorization.

225247254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14635.

The product of its digits is 44800, while the sum is 33.

The square root of 225247254 is about 15008.2395370010. The cubic root of 225247254 is about 608.4429104085.

Adding to 225247254 its reverse (452742522), we get a palindrome (677989776).

The spelling of 225247254 in words is "two hundred twenty-five million, two hundred forty-seven thousand, two hundred fifty-four".

Divisors: 1 2 3 6 3319 6638 9957 11311 19914 22622 33933 67866 37541209 75082418 112623627 225247254