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8472840003 = 34450723209
BaseRepresentation
bin1111110010000010…
…10100011101000011
3210212111010212110000
413321001110131003
5114323021340003
63520430211043
7416651644305
oct77101243503
923774125400
108472840003
113658774111
121785653a83
13a504a8ac4
145a53cd975
15348c9b1a3
hex1f9054743

8472840003 has 20 divisors (see below), whose sum is σ = 12660312280. Its totient is φ = 5647063392.

The previous prime is 8472839923. The next prime is 8472840017. The reversal of 8472840003 is 3000482748.

It is not a de Polignac number, because 8472840003 - 28 = 8472839747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8472840003.

It is not an unprimeable number, because it can be changed into a prime (8472840043) 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, 353463 + ... + 376671.

It is an arithmetic number, because the mean of its divisors is an integer number (633015614).

Almost surely, 28472840003 is an apocalyptic number.

8472840003 is a deficient number, since it is larger than the sum of its proper divisors (4187472277).

8472840003 is a wasteful number, since it uses less digits than its factorization.

8472840003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27728 (or 27719 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 8472840003 is about 92048.0309566696. The cubic root of 8472840003 is about 2038.6515504740.

The spelling of 8472840003 in words is "eight billion, four hundred seventy-two million, eight hundred forty thousand, three".

Divisors: 1 3 9 27 81 4507 13521 23209 40563 69627 121689 208881 365067 626643 1879929 104602963 313808889 941426667 2824280001 8472840003