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1420433041 = 2749516709
BaseRepresentation
bin101010010101010…
…0001011010010001
310122222210110211011
41110222201122101
510402112324131
6352540450521
750125324126
oct12452413221
93588713734
101420433041
11669885405
12337849a41
13198384031
14d691074d
1584a7e0b1
hex54aa1691

1420433041 has 4 divisors (see below), whose sum is σ = 1420952500. Its totient is φ = 1419913584.

The previous prime is 1420432999. The next prime is 1420433081. The reversal of 1420433041 is 1403340241.

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 661981441 + 758451600 = 25729^2 + 27540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420433041 - 213 = 1420424849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420433081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255606 + ... + 261103.

It is an arithmetic number, because the mean of its divisors is an integer number (355238125).

Almost surely, 21420433041 is an apocalyptic number.

It is an amenable number.

1420433041 is a deficient number, since it is larger than the sum of its proper divisors (519459).

1420433041 is an equidigital number, since it uses as much as digits as its factorization.

1420433041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519458.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1420433041 is about 37688.6327823125. The cubic root of 1420433041 is about 1124.1051098392.

Adding to 1420433041 its reverse (1403340241), we get a palindrome (2823773282).

The spelling of 1420433041 in words is "one billion, four hundred twenty million, four hundred thirty-three thousand, forty-one".

Divisors: 1 2749 516709 1420433041