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1223333252 = 221409217057
BaseRepresentation
bin100100011101010…
…1001010110000100
310011020220202201222
41020322221112010
510001133131002
6321220135512
742213106151
oct11072512604
93136822658
101223333252
115785a3419
122a1837598
131665a3b3b
14b8685228
15725e91a2
hex48ea9584

1223333252 has 12 divisors (see below), whose sum is σ = 2142362460. Its totient is φ = 611229696.

The previous prime is 1223333233. The next prime is 1223333261. The reversal of 1223333252 is 2523333221.

It can be written as a sum of positive squares in 2 ways, for example, as 281702656 + 941630596 = 16784^2 + 30686^2 .

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 3 ways as a sum of consecutive naturals, for example, 102893 + ... + 114164.

It is an arithmetic number, because the mean of its divisors is an integer number (178530205).

Almost surely, 21223333252 is an apocalyptic number.

It is an amenable number.

1223333252 is a deficient number, since it is larger than the sum of its proper divisors (919029208).

1223333252 is a wasteful number, since it uses less digits than its factorization.

1223333252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218470 (or 218468 counting only the distinct ones).

The product of its digits is 6480, while the sum is 26.

The square root of 1223333252 is about 34976.1812095031. The cubic root of 1223333252 is about 1069.5019815331.

Adding to 1223333252 its reverse (2523333221), we get a palindrome (3746666473).

The spelling of 1223333252 in words is "one billion, two hundred twenty-three million, three hundred thirty-three thousand, two hundred fifty-two".

Divisors: 1 2 4 1409 2818 5636 217057 434114 868228 305833313 611666626 1223333252