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4820409109 = 171931469189
BaseRepresentation
bin1000111110101000…
…11001101100010101
3110102221110011011201
410133110121230111
534333011042414
62114154032501
7230311541605
oct43724315425
913387404151
104820409109
112053aa478a
12b26418731
135ba89bca9
1433a2b2c05
151d32ce574
hex11f519b15

4820409109 has 8 divisors (see below), whose sum is σ = 5130411480. Its totient is φ = 4513345536.

The previous prime is 4820409107. The next prime is 4820409119. The reversal of 4820409109 is 9019040284.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1013148900 + 3807260209 = 31830^2 + 61703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4820409109 - 21 = 4820409107 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 (4820409101) 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 7 ways as a sum of consecutive naturals, for example, 731314 + ... + 737875.

It is an arithmetic number, because the mean of its divisors is an integer number (641301435).

Almost surely, 24820409109 is an apocalyptic number.

It is an amenable number.

4820409109 is a deficient number, since it is larger than the sum of its proper divisors (310002371).

4820409109 is a wasteful number, since it uses less digits than its factorization.

4820409109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469399.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 4820409109 is about 69429.1661263478. The cubic root of 4820409109 is about 1689.2527430605.

The spelling of 4820409109 in words is "four billion, eight hundred twenty million, four hundred nine thousand, one hundred nine".

Divisors: 1 17 193 3281 1469189 24976213 283553477 4820409109