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226531449 = 32182313807
BaseRepresentation
bin11011000000010…
…01100001111001
3120210020222201200
431200021201321
5430443001244
634251204413
75420325354
oct1540114171
9523228650
10226531449
11106964481
1263a46709
1337c165a1
142212b29b
1514d4a669
hexd809879

226531449 has 12 divisors (see below), whose sum is σ = 327415296. Its totient is φ = 150927192.

The previous prime is 226531447. The next prime is 226531453. The reversal of 226531449 is 944135622.

It is a happy number.

It is not a de Polignac number, because 226531449 - 21 = 226531447 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (226531447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9504 + ... + 23310.

It is an arithmetic number, because the mean of its divisors is an integer number (27284608).

Almost surely, 2226531449 is an apocalyptic number.

It is an amenable number.

226531449 is a deficient number, since it is larger than the sum of its proper divisors (100883847).

226531449 is a wasteful number, since it uses less digits than its factorization.

226531449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15636 (or 15633 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 226531449 is about 15050.9617300689. The cubic root of 226531449 is about 609.5970186190.

The spelling of 226531449 in words is "two hundred twenty-six million, five hundred thirty-one thousand, four hundred forty-nine".

Divisors: 1 3 9 1823 5469 13807 16407 41421 124263 25170161 75510483 226531449