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1226360461 is a prime number
BaseRepresentation
bin100100100011000…
…1100011010001101
310011110121120021211
41021012030122031
510002422013321
6321405054421
742250614634
oct11106143215
93143546254
101226360461
1157a280847
122a2857411
131670c39a1
14b8c3251b
15729e60e1
hex4918c68d

1226360461 has 2 divisors, whose sum is σ = 1226360462. Its totient is φ = 1226360460.

The previous prime is 1226360423. The next prime is 1226360503. The reversal of 1226360461 is 1640636221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1089330025 + 137030436 = 33005^2 + 11706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226360461 - 215 = 1226327693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1226369461) by changing a digit.

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 as a sum of consecutive naturals, namely, 613180230 + 613180231.

It is an arithmetic number, because the mean of its divisors is an integer number (613180231).

Almost surely, 21226360461 is an apocalyptic number.

It is an amenable number.

1226360461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226360461 is an equidigital number, since it uses as much as digits as its factorization.

1226360461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1226360461 is about 35019.4297640610. The cubic root of 1226360461 is about 1070.3834363986.

Adding to 1226360461 its reverse (1640636221), we get a palindrome (2866996682).

The spelling of 1226360461 in words is "one billion, two hundred twenty-six million, three hundred sixty thousand, four hundred sixty-one".