Search a number
-
+
423384505 = 5194456679
BaseRepresentation
bin11001001111000…
…101010110111001
31002111200011100121
4121033011112321
51331341301010
6110002333241
713330465105
oct3117052671
91074604317
10423384505
111a7a98055
12b995a221
136993b39b
1440330905
15272823da
hex193c55b9

423384505 has 8 divisors (see below), whose sum is σ = 534801600. Its totient is φ = 320880816.

The previous prime is 423384503. The next prime is 423384523. The reversal of 423384505 is 505483324.

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

It is not a de Polignac number, because 423384505 - 21 = 423384503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423384503) 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, 2228245 + ... + 2228434.

It is an arithmetic number, because the mean of its divisors is an integer number (66850200).

Almost surely, 2423384505 is an apocalyptic number.

It is an amenable number.

423384505 is a deficient number, since it is larger than the sum of its proper divisors (111417095).

423384505 is a wasteful number, since it uses less digits than its factorization.

423384505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456703.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 423384505 is about 20576.3093143547. The cubic root of 423384505 is about 750.8934567057.

The spelling of 423384505 in words is "four hundred twenty-three million, three hundred eighty-four thousand, five hundred five".

Divisors: 1 5 19 95 4456679 22283395 84676901 423384505