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1226965441 = 1394381957
BaseRepresentation
bin100100100100010…
…0000000111000001
310011111202022011111
41021020200013001
510003100343231
6321430043321
742256014502
oct11110400701
93144668144
101226965441
1157a654329
122a2aa9541
13167276170
14b8d4cba9
1572ab54b1
hex492201c1

1226965441 has 4 divisors (see below), whose sum is σ = 1321347412. Its totient is φ = 1132583472.

The previous prime is 1226965417. The next prime is 1226965457. The reversal of 1226965441 is 1445696221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 773062416 + 453903025 = 27804^2 + 21305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226965441 - 29 = 1226964929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1226965394 and 1226965403.

It is not an unprimeable number, because it can be changed into a prime (1226965471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47190966 + ... + 47190991.

It is an arithmetic number, because the mean of its divisors is an integer number (330336853).

Almost surely, 21226965441 is an apocalyptic number.

It is an amenable number.

1226965441 is a deficient number, since it is larger than the sum of its proper divisors (94381971).

1226965441 is an equidigital number, since it uses as much as digits as its factorization.

1226965441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94381970.

The product of its digits is 103680, while the sum is 40.

The square root of 1226965441 is about 35028.0664753280. The cubic root of 1226965441 is about 1070.5594189469.

The spelling of 1226965441 in words is "one billion, two hundred twenty-six million, nine hundred sixty-five thousand, four hundred forty-one".

Divisors: 1 13 94381957 1226965441