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10743221 is a prime number
BaseRepresentation
bin101000111110…
…110110110101
3202012210221002
4220332312311
510222240341
61022133045
7160213226
oct50766665
922183832
1010743221
1160785a5
123721185
1322c1c48
1415d924d
15e2329b
hexa3edb5

10743221 has 2 divisors, whose sum is σ = 10743222. Its totient is φ = 10743220.

The previous prime is 10743211. The next prime is 10743241. The reversal of 10743221 is 12234701.

It is an a-pointer prime, because the next prime (10743241) can be obtained adding 10743221 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 662596 = 3175^2 + 814^2 .

It is a cyclic number.

It is not a de Polignac number, because 10743221 - 26 = 10743157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10743193 and 10743202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10743211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5371610 + 5371611.

It is an arithmetic number, because the mean of its divisors is an integer number (5371611).

Almost surely, 210743221 is an apocalyptic number.

It is an amenable number.

10743221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10743221 is an equidigital number, since it uses as much as digits as its factorization.

10743221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10743221 is about 3277.6853113135. The cubic root of 10743221 is about 220.6538468328.

Adding to 10743221 its reverse (12234701), we get a palindrome (22977922).

The spelling of 10743221 in words is "ten million, seven hundred forty-three thousand, two hundred twenty-one".