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1420422301 = 1783554253
BaseRepresentation
bin101010010101001…
…1110110010011101
310122222202221002101
41110222132302131
510402112003201
6352540325101
750125250614
oct12452366235
93588687071
101420422301
11669878331
12337843791
1319837c18c
14d690a87b
1584a7ad01
hex54a9ec9d

1420422301 has 4 divisors (see below), whose sum is σ = 1503976572. Its totient is φ = 1336868032.

The previous prime is 1420422299. The next prime is 1420422307. The reversal of 1420422301 is 1032240241.

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 1072562500 + 347859801 = 32750^2 + 18651^2 .

It is not a de Polignac number, because 1420422301 - 21 = 1420422299 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 (1420422307) 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, 41777110 + ... + 41777143.

It is an arithmetic number, because the mean of its divisors is an integer number (375994143).

Almost surely, 21420422301 is an apocalyptic number.

It is an amenable number.

1420422301 is a deficient number, since it is larger than the sum of its proper divisors (83554271).

1420422301 is an equidigital number, since it uses as much as digits as its factorization.

1420422301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83554270.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1420422301 is about 37688.4902987636. The cubic root of 1420422301 is about 1124.1022766846.

Adding to 1420422301 its reverse (1032240241), we get a palindrome (2452662542).

The spelling of 1420422301 in words is "one billion, four hundred twenty million, four hundred twenty-two thousand, three hundred one".

Divisors: 1 17 83554253 1420422301