Search a number
-
+
163424023 = 7103226663
BaseRepresentation
bin10011011110110…
…10011100010111
3102101111210121121
421233122130113
5313314032043
624114424411
74023036610
oct1157323427
9371453547
10163424023
1184280984
1246892107
1327b1c109
14179c0c07
15e531ded
hex9bda717

163424023 has 8 divisors (see below), whose sum is σ = 188584448. Its totient is φ = 138717144.

The previous prime is 163424021. The next prime is 163424057. The reversal of 163424023 is 320424361.

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 163424023 - 21 = 163424021 is a prime.

It is a super-2 number, since 2×1634240232 = 53414822587009058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163424021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112611 + ... + 114052.

It is an arithmetic number, because the mean of its divisors is an integer number (23573056).

Almost surely, 2163424023 is an apocalyptic number.

163424023 is a deficient number, since it is larger than the sum of its proper divisors (25160425).

163424023 is a wasteful number, since it uses less digits than its factorization.

163424023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226773.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 163424023 is about 12783.7405715229. The cubic root of 163424023 is about 546.7288175834.

Adding to 163424023 its reverse (320424361), we get a palindrome (483848384).

The spelling of 163424023 in words is "one hundred sixty-three million, four hundred twenty-four thousand, twenty-three".

Divisors: 1 7 103 721 226663 1586641 23346289 163424023