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242554455 = 325111337693
BaseRepresentation
bin11100111010100…
…01011001010111
3121220102001011100
432131101121113
5444043220310
640022441143
76003451563
oct1635213127
9556361140
10242554455
11114a08830
12692931b3
133b336760
14242dc6a3
1516462ec0
hexe751657

242554455 has 48 divisors (see below), whose sum is σ = 493942176. Its totient is φ = 108552960.

The previous prime is 242554421. The next prime is 242554457. The reversal of 242554455 is 554455242.

It is not a de Polignac number, because 242554455 - 27 = 242554327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242554457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12412 + ... + 25281.

It is an arithmetic number, because the mean of its divisors is an integer number (10290462).

Almost surely, 2242554455 is an apocalyptic number.

242554455 is an abundant number, since it is smaller than the sum of its proper divisors (251387721).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242554455 is a wasteful number, since it uses less digits than its factorization.

242554455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37728 (or 37725 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 242554455 is about 15574.1598489293. The cubic root of 242554455 is about 623.6435263634.

It can be divided in two parts, 24255 and 4455, that multiplied together give a square (108056025 = 103952).

The spelling of 242554455 in words is "two hundred forty-two million, five hundred fifty-four thousand, four hundred fifty-five".

Divisors: 1 3 5 9 11 13 15 33 39 45 55 65 99 117 143 165 195 429 495 585 715 1287 2145 6435 37693 113079 188465 339237 414623 490009 565395 1243869 1470027 1696185 2073115 2450045 3731607 4410081 5390099 6219345 7350135 16170297 18658035 22050405 26950495 48510891 80851485 242554455