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1419390065 = 5299788897
BaseRepresentation
bin101010010011010…
…0010110001110001
310122220211111010102
41110212202301301
510401330440230
6352502242145
750113421312
oct12446426161
93586744112
101419390065
11669232845
12337426355
131980aa3a2
14d671c609
1584925045
hex549a2c71

1419390065 has 8 divisors (see below), whose sum is σ = 1762001640. Its totient is φ = 1096356352.

The previous prime is 1419390059. The next prime is 1419390073. The reversal of 1419390065 is 5600939141.

It can be written as a sum of positive squares in 4 ways, for example, as 76020961 + 1343369104 = 8719^2 + 36652^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1419390065 - 220 = 1418341489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4894304 + ... + 4894593.

It is an arithmetic number, because the mean of its divisors is an integer number (220250205).

Almost surely, 21419390065 is an apocalyptic number.

It is an amenable number.

1419390065 is a deficient number, since it is larger than the sum of its proper divisors (342611575).

1419390065 is an equidigital number, since it uses as much as digits as its factorization.

1419390065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788931.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 1419390065 is about 37674.7934964480. The cubic root of 1419390065 is about 1123.8299116686.

The spelling of 1419390065 in words is "one billion, four hundred nineteen million, three hundred ninety thousand, sixty-five".

Divisors: 1 5 29 145 9788897 48944485 283878013 1419390065