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8284434772 = 2214717140729
BaseRepresentation
bin1111011011100101…
…00111000101010100
3210101100121220001111
413231302213011110
5113431303403042
63450020104404
7412203351025
oct75562470524
923340556044
108284434772
113571390509
121732535104
13a20451213
14588388c4c
15337482517
hex1edca7154

8284434772 has 12 divisors (see below), whose sum is σ = 14498848980. Its totient is φ = 4141906496.

The previous prime is 8284434757. The next prime is 8284434797. The reversal of 8284434772 is 2774344828.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5528814736 + 2755620036 = 74356^2 + 52494^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11497 + ... + 129232.

It is an arithmetic number, because the mean of its divisors is an integer number (1208237415).

Almost surely, 28284434772 is an apocalyptic number.

It is an amenable number.

8284434772 is a deficient number, since it is larger than the sum of its proper divisors (6214414208).

8284434772 is a wasteful number, since it uses less digits than its factorization.

8284434772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155450 (or 155448 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 49.

The square root of 8284434772 is about 91018.8704170734. The cubic root of 8284434772 is about 2023.4274045274.

The spelling of 8284434772 in words is "eight billion, two hundred eighty-four million, four hundred thirty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 14717 29434 58868 140729 281458 562916 2071108693 4142217386 8284434772