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1420222315 = 5284044463
BaseRepresentation
bin101010010100110…
…1101111101101011
310122222101202202111
41110221231331223
510402034103230
6352532143151
750123455561
oct12451557553
93588352674
101420222315
11669751056
12337767ab7
1319830c145
14d6897a31
1584a3b92a
hex54a6df6b

1420222315 has 4 divisors (see below), whose sum is σ = 1704266784. Its totient is φ = 1136177848.

The previous prime is 1420222303. The next prime is 1420222327. The reversal of 1420222315 is 5132220241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5132220241 = 12740411183.

It is an interprime number because it is at equal distance from previous prime (1420222303) and next prime (1420222327).

It is a cyclic number.

It is not a de Polignac number, because 1420222315 - 213 = 1420214123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142022227 + ... + 142022236.

It is an arithmetic number, because the mean of its divisors is an integer number (426066696).

Almost surely, 21420222315 is an apocalyptic number.

1420222315 is a deficient number, since it is larger than the sum of its proper divisors (284044469).

1420222315 is an equidigital number, since it uses as much as digits as its factorization.

1420222315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284044468.

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

The square root of 1420222315 is about 37685.8370611560. The cubic root of 1420222315 is about 1124.0495188372.

Adding to 1420222315 its reverse (5132220241), we get a palindrome (6552442556).

The spelling of 1420222315 in words is "one billion, four hundred twenty million, two hundred twenty-two thousand, three hundred fifteen".

Divisors: 1 5 284044463 1420222315