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1420252213 is a prime number
BaseRepresentation
bin101010010100111…
…0101010000110101
310122222110021202211
41110221311100311
510402041032323
6352532533421
750123642002
oct12451652065
93588407684
101420252213
11669771566
12337781271
1319831c933
14d68a48a9
1584a4570d
hex54a75435

1420252213 has 2 divisors, whose sum is σ = 1420252214. Its totient is φ = 1420252212.

The previous prime is 1420252181. The next prime is 1420252291. The reversal of 1420252213 is 3122520241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958088209 + 462164004 = 30953^2 + 21498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420252213 - 25 = 1420252181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420252313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710126106 + 710126107.

It is an arithmetic number, because the mean of its divisors is an integer number (710126107).

Almost surely, 21420252213 is an apocalyptic number.

It is an amenable number.

1420252213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420252213 is an equidigital number, since it uses as much as digits as its factorization.

1420252213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1420252213 is about 37686.2337332878. The cubic root of 1420252213 is about 1124.0574064748.

Adding to 1420252213 its reverse (3122520241), we get a palindrome (4542772454).

The spelling of 1420252213 in words is "one billion, four hundred twenty million, two hundred fifty-two thousand, two hundred thirteen".