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1420084271 = 2905948869
BaseRepresentation
bin101010010100100…
…1100010000101111
310122222010202101202
41110221030100233
510402020144041
6352525200115
750122342244
oct12451142057
93588122352
101420084271
11669667371
1233770003b
13198291368
14d685d5cb
1584a10a9b
hex54a4c42f

1420084271 has 4 divisors (see below), whose sum is σ = 1420162200. Its totient is φ = 1420006344.

The previous prime is 1420084261. The next prime is 1420084291. The reversal of 1420084271 is 1724800241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1724800241 = 2707637163.

It is a cyclic number.

It is not a de Polignac number, because 1420084271 - 222 = 1415889967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420084201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4625 + ... + 53493.

It is an arithmetic number, because the mean of its divisors is an integer number (355040550).

Almost surely, 21420084271 is an apocalyptic number.

1420084271 is a deficient number, since it is larger than the sum of its proper divisors (77929).

1420084271 is an equidigital number, since it uses as much as digits as its factorization.

1420084271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77928.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1420084271 is about 37684.0055063153. The cubic root of 1420084271 is about 1124.0130988772.

The spelling of 1420084271 in words is "one billion, four hundred twenty million, eighty-four thousand, two hundred seventy-one".

Divisors: 1 29059 48869 1420084271