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226620444 = 223179105503
BaseRepresentation
bin11011000000111…
…11010000011100
3120210102111210210
431200133100130
5431003323234
634253132420
75421146001
oct1540372034
9523374723
10226620444
11106a15326
1263a8a110
1337c47c4b
14221518a8
1514d66be9
hexd81f41c

226620444 has 24 divisors (see below), whose sum is σ = 531740160. Its totient is φ = 75117424.

The previous prime is 226620439. The next prime is 226620469. The reversal of 226620444 is 444026622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50604 + ... + 54899.

It is an arithmetic number, because the mean of its divisors is an integer number (22155840).

Almost surely, 2226620444 is an apocalyptic number.

It is an amenable number.

226620444 is an abundant number, since it is smaller than the sum of its proper divisors (305119716).

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

226620444 is a wasteful number, since it uses less digits than its factorization.

226620444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105689 (or 105687 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 226620444 is about 15053.9178953520. The cubic root of 226620444 is about 609.6768367990.

The spelling of 226620444 in words is "two hundred twenty-six million, six hundred twenty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 179 358 537 716 1074 2148 105503 211006 316509 422012 633018 1266036 18885037 37770074 56655111 75540148 113310222 226620444