Search a number
-
+
423509941 = 31103132637
BaseRepresentation
bin11001001111100…
…011111110110101
31002111220112102101
4121033203332311
51331404304231
6110005142101
713331526601
oct3117437665
91074815371
10423509941
111a8073318
12b99ba931
13699834ca
1440364501
15272a9661
hex193e3fb5

423509941 has 8 divisors (see below), whose sum is σ = 441419264. Its totient is φ = 405866160.

The previous prime is 423509929. The next prime is 423509963. The reversal of 423509941 is 149905324.

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 423509941 - 217 = 423378869 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 423509941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423509921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 63126 + ... + 69511.

It is an arithmetic number, because the mean of its divisors is an integer number (55177408).

Almost surely, 2423509941 is an apocalyptic number.

It is an amenable number.

423509941 is a deficient number, since it is larger than the sum of its proper divisors (17909323).

423509941 is a wasteful number, since it uses less digits than its factorization.

423509941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132771.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 423509941 is about 20579.3571571126. The cubic root of 423509941 is about 750.9676050431.

The spelling of 423509941 in words is "four hundred twenty-three million, five hundred nine thousand, nine hundred forty-one".

Divisors: 1 31 103 3193 132637 4111747 13661611 423509941