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225367131 = 31134719681
BaseRepresentation
bin11010110111011…
…01010001011011
3120201001211120210
431123231101123
5430143222011
634210222203
75404406013
oct1533552133
9521054523
10225367131
11106239730
1263584963
13378c9642
1421d06c43
1514bba6a6
hexd6ed45b

225367131 has 16 divisors (see below), whose sum is σ = 328768128. Its totient is φ = 136185600.

The previous prime is 225367097. The next prime is 225367139. The reversal of 225367131 is 131763522.

It is not a de Polignac number, because 225367131 - 27 = 225367003 is a prime.

It is a super-2 number, since 2×2253671312 = 101580687470342322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225367139) 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 15 ways as a sum of consecutive naturals, for example, 1611 + ... + 21291.

It is an arithmetic number, because the mean of its divisors is an integer number (20548008).

Almost surely, 2225367131 is an apocalyptic number.

225367131 is a deficient number, since it is larger than the sum of its proper divisors (103400997).

225367131 is a wasteful number, since it uses less digits than its factorization.

225367131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20042.

The product of its digits is 7560, while the sum is 30.

The square root of 225367131 is about 15012.2327120252. The cubic root of 225367131 is about 608.5508294086.

The spelling of 225367131 in words is "two hundred twenty-five million, three hundred sixty-seven thousand, one hundred thirty-one".

Divisors: 1 3 11 33 347 1041 3817 11451 19681 59043 216491 649473 6829307 20487921 75122377 225367131