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1074830221 is a prime number
BaseRepresentation
bin100000000010000…
…1001101110001101
32202220111000212201
41000010021232031
54200124031341
6254353201501
735430622543
oct10004115615
92686430781
101074830221
11501793943
1225bb60291
131418aa41a
14a2a69d93
1564563331
hex40109b8d

1074830221 has 2 divisors, whose sum is σ = 1074830222. Its totient is φ = 1074830220.

The previous prime is 1074830213. The next prime is 1074830299. The reversal of 1074830221 is 1220384701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1027907721 + 46922500 = 32061^2 + 6850^2 .

It is an emirp because it is prime and its reverse (1220384701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1074830221 - 23 = 1074830213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1074830221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074830201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537415110 + 537415111.

It is an arithmetic number, because the mean of its divisors is an integer number (537415111).

Almost surely, 21074830221 is an apocalyptic number.

It is an amenable number.

1074830221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074830221 is an equidigital number, since it uses as much as digits as its factorization.

1074830221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1074830221 is about 32784.6034137978. The cubic root of 1074830221 is about 1024.3458752493.

The spelling of 1074830221 in words is "one billion, seventy-four million, eight hundred thirty thousand, two hundred twenty-one".