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1420554433 is a prime number
BaseRepresentation
bin101010010101011…
…1111000011000001
310200000000122100011
41110222333003001
510402130220213
6352543224521
750126341054
oct12452770301
93600018304
101420554433
11669958631
123378a8141
131983c736c
14d6942a9b
1584aa503d
hex54abf0c1

1420554433 has 2 divisors, whose sum is σ = 1420554434. Its totient is φ = 1420554432.

The previous prime is 1420554413. The next prime is 1420554467. The reversal of 1420554433 is 3344550241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1121714064 + 298840369 = 33492^2 + 17287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420554433 - 221 = 1418457281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420554395 and 1420554404.

It is not a weakly prime, because it can be changed into another prime (1420554403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710277216 + 710277217.

It is an arithmetic number, because the mean of its divisors is an integer number (710277217).

Almost surely, 21420554433 is an apocalyptic number.

It is an amenable number.

1420554433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420554433 is an equidigital number, since it uses as much as digits as its factorization.

1420554433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1420554433 is about 37690.2432069627. The cubic root of 1420554433 is about 1124.1371314074.

The spelling of 1420554433 in words is "one billion, four hundred twenty million, five hundred fifty-four thousand, four hundred thirty-three".