Search a number
-
+
8420429603 = 313122321997
BaseRepresentation
bin1111101011110010…
…11000111100100011
3210201211112010220002
413311321120330203
5114221112221403
63511315010215
7415444320305
oct76571307443
923654463802
108420429603
113631127433
12176bb9996b
13a42688531
1459c469975
15344397188
hex1f5e58f23

8420429603 has 8 divisors (see below), whose sum is σ = 8454623328. Its totient is φ = 8386282944.

The previous prime is 8420429543. The next prime is 8420429621. The reversal of 8420429603 is 3069240248.

It is a happy number.

8420429603 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8420429603 - 210 = 8420428579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8420429663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371801 + ... + 393797.

It is an arithmetic number, because the mean of its divisors is an integer number (1056827916).

Almost surely, 28420429603 is an apocalyptic number.

8420429603 is a deficient number, since it is larger than the sum of its proper divisors (34193725).

8420429603 is a wasteful number, since it uses less digits than its factorization.

8420429603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23533.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 8420429603 is about 91762.8988371662. The cubic root of 8420429603 is about 2034.4393614836.

The spelling of 8420429603 in words is "eight billion, four hundred twenty million, four hundred twenty-nine thousand, six hundred three".

Divisors: 1 313 1223 21997 382799 6885061 26902331 8420429603