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8219450948 = 2211777174481
BaseRepresentation
bin1111010011110101…
…01101111001000100
3210012211100101000012
413221322231321010
5113313134412243
63435335205352
7410454115562
oct75172557104
923184311005
108219450948
113538736175
121714816858
13a0cb4a957
1457d8b0a32
153318e7d18
hex1e9eade44

8219450948 has 12 divisors (see below), whose sum is σ = 14385342972. Its totient is φ = 4109352960.

The previous prime is 8219450929. The next prime is 8219451017. The reversal of 8219450948 is 8490549128.

It can be written as a sum of positive squares in 2 ways, for example, as 4434494464 + 3784956484 = 66592^2 + 61522^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8219450896 and 8219450905.

It is an unprimeable number.

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, 40133 + ... + 134348.

It is an arithmetic number, because the mean of its divisors is an integer number (1198778581).

Almost surely, 28219450948 is an apocalyptic number.

It is an amenable number.

8219450948 is a deficient number, since it is larger than the sum of its proper divisors (6165892024).

8219450948 is a wasteful number, since it uses less digits than its factorization.

8219450948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186262 (or 186260 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The square root of 8219450948 is about 90661.1876604316. The cubic root of 8219450948 is about 2018.1228638823.

The spelling of 8219450948 in words is "eight billion, two hundred nineteen million, four hundred fifty thousand, nine hundred forty-eight".

Divisors: 1 2 4 11777 23554 47108 174481 348962 697924 2054862737 4109725474 8219450948