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1420611349 is a prime number
BaseRepresentation
bin101010010101100…
…1100111100010101
310200000010112102011
41110223030330111
510402134030344
6352544344221
750126666023
oct12453147425
93600115364
101420611349
11669997373
12337915071
13198417241
14d6959713
1584ab6d34
hex54accf15

1420611349 has 2 divisors, whose sum is σ = 1420611350. Its totient is φ = 1420611348.

The previous prime is 1420611343. The next prime is 1420611389. The reversal of 1420611349 is 9431160241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1297800625 + 122810724 = 36025^2 + 11082^2 .

It is an emirp because it is prime and its reverse (9431160241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420611349 - 29 = 1420610837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420611349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420611343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710305674 + 710305675.

It is an arithmetic number, because the mean of its divisors is an integer number (710305675).

Almost surely, 21420611349 is an apocalyptic number.

It is an amenable number.

1420611349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420611349 is an equidigital number, since it uses as much as digits as its factorization.

1420611349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1420611349 is about 37690.9982489188. The cubic root of 1420611349 is about 1124.1521444504.

The spelling of 1420611349 in words is "one billion, four hundred twenty million, six hundred eleven thousand, three hundred forty-nine".