Search a number
-
+
242554423 = 2816171399
BaseRepresentation
bin11100111010100…
…01011000110111
3121220102001010011
432131101120313
5444043220143
640022441051
76003451516
oct1635213067
9556361104
10242554423
11114a08801
1269293187
133b336737
14242dc67d
1516462e9d
hexe751637

242554423 has 8 divisors (see below), whose sum is σ = 243986400. Its totient is φ = 241127040.

The previous prime is 242554421. The next prime is 242554457. The reversal of 242554423 is 324455242.

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 242554423 - 21 = 242554421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242554421) 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, 172678 + ... + 174076.

It is an arithmetic number, because the mean of its divisors is an integer number (30498300).

Almost surely, 2242554423 is an apocalyptic number.

242554423 is a deficient number, since it is larger than the sum of its proper divisors (1431977).

242554423 is a wasteful number, since it uses less digits than its factorization.

242554423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297.

The product of its digits is 38400, while the sum is 31.

The square root of 242554423 is about 15574.1588215865. The cubic root of 242554423 is about 623.6434989378.

The spelling of 242554423 in words is "two hundred forty-two million, five hundred fifty-four thousand, four hundred twenty-three".

Divisors: 1 281 617 1399 173377 393119 863183 242554423