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1420162001 = 1481958921
BaseRepresentation
bin101010010100101…
…1111001111010001
310122222021201000122
41110221133033101
510402030141001
6352531000025
750123114666
oct12451371721
93588251018
101420162001
1166970a805
12337739015
131982ba85b
14d687da6d
1584a28b1b
hex54a5f3d1

1420162001 has 4 divisors (see below), whose sum is σ = 1421122404. Its totient is φ = 1419201600.

The previous prime is 1420161983. The next prime is 1420162021. The reversal of 1420162001 is 1002610241.

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 336172225 + 1083989776 = 18335^2 + 32924^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420162001 - 26 = 1420161937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420162021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477980 + ... + 480941.

It is an arithmetic number, because the mean of its divisors is an integer number (355280601).

Almost surely, 21420162001 is an apocalyptic number.

It is an amenable number.

1420162001 is a deficient number, since it is larger than the sum of its proper divisors (960403).

1420162001 is an equidigital number, since it uses as much as digits as its factorization.

1420162001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960402.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1420162001 is about 37685.0368316126. The cubic root of 1420162001 is about 1124.0336065673.

Adding to 1420162001 its reverse (1002610241), we get a palindrome (2422772242).

The spelling of 1420162001 in words is "one billion, four hundred twenty million, one hundred sixty-two thousand, one".

Divisors: 1 1481 958921 1420162001