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8399020441 = 71199860063
BaseRepresentation
bin1111101001001111…
…01110000110011001
3210200100020110001011
413310213232012121
5114200122123231
63505232053521
7415064332030
oct76447560631
923610213034
108399020441
113620034409
1217649942a1
13a3b1008a6
14599695717
153425689b1
hex1f49ee199

8399020441 has 4 divisors (see below), whose sum is σ = 9598880512. Its totient is φ = 7199160372.

The previous prime is 8399020363. The next prime is 8399020453. The reversal of 8399020441 is 1440209938.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8399020441 - 215 = 8398987673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8399020394 and 8399020403.

It is not an unprimeable number, because it can be changed into a prime (8399020481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599930025 + ... + 599930038.

It is an arithmetic number, because the mean of its divisors is an integer number (2399720128).

Almost surely, 28399020441 is an apocalyptic number.

It is an amenable number.

8399020441 is a deficient number, since it is larger than the sum of its proper divisors (1199860071).

8399020441 is a wasteful number, since it uses less digits than its factorization.

8399020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199860070.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8399020441 is about 91646.1698108546. The cubic root of 8399020441 is about 2032.7136930819.

The spelling of 8399020441 in words is "eight billion, three hundred ninety-nine million, twenty thousand, four hundred forty-one".

Divisors: 1 7 1199860063 8399020441