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4284608643 = 3477556629
BaseRepresentation
bin1111111101100001…
…1111000010000011
3102001121020200010000
43333120133002003
532233324434033
61545054011043
7211114400250
oct37730370203
912047220100
104284608643
1118a9605987
129b6aa6a83
135338909b3
142c907c427
151a1243a13
hexff61f083

4284608643 has 20 divisors (see below), whose sum is σ = 7314817840. Its totient is φ = 2448347472.

The previous prime is 4284608641. The next prime is 4284608693. The reversal of 4284608643 is 3468064824.

It is not a de Polignac number, because 4284608643 - 21 = 4284608641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4284608641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3777748 + ... + 3778881.

It is an arithmetic number, because the mean of its divisors is an integer number (365740892).

Almost surely, 24284608643 is an apocalyptic number.

4284608643 is a deficient number, since it is larger than the sum of its proper divisors (3030209197).

4284608643 is an equidigital number, since it uses as much as digits as its factorization.

4284608643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556648 (or 7556639 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The square root of 4284608643 is about 65456.9220403771. The cubic root of 4284608643 is about 1624.1908262330.

The spelling of 4284608643 in words is "four billion, two hundred eighty-four million, six hundred eight thousand, six hundred forty-three".

Divisors: 1 3 7 9 21 27 63 81 189 567 7556629 22669887 52896403 68009661 158689209 204028983 476067627 612086949 1428202881 4284608643