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1420022353 = 7319452361
BaseRepresentation
bin101010010100011…
…1101001001010001
310122222000121110111
41110220331021101
510402011203403
6352524001321
750121663601
oct12450751121
93588017414
101420022353
116696248a2
12337690241
1319826c119
14d6844c01
15849ec56d
hex54a3d251

1420022353 has 4 divisors (see below), whose sum is σ = 1439474788. Its totient is φ = 1400569920.

The previous prime is 1420022347. The next prime is 1420022407. The reversal of 1420022353 is 3532200241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 989542849 + 430479504 = 31457^2 + 20748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420022353 - 225 = 1386467921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420022333) 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, 9726108 + ... + 9726253.

It is an arithmetic number, because the mean of its divisors is an integer number (359868697).

Almost surely, 21420022353 is an apocalyptic number.

It is an amenable number.

1420022353 is a deficient number, since it is larger than the sum of its proper divisors (19452435).

1420022353 is an equidigital number, since it uses as much as digits as its factorization.

1420022353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19452434.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1420022353 is about 37683.1839551809. The cubic root of 1420022353 is about 1123.9967623691.

Adding to 1420022353 its reverse (3532200241), we get a palindrome (4952222594).

The spelling of 1420022353 in words is "one billion, four hundred twenty million, twenty-two thousand, three hundred fifty-three".

Divisors: 1 73 19452361 1420022353