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242192788 = 221074391289
BaseRepresentation
bin11100110111110…
…01000110010100
3121212201200001021
432123321012110
5444000132123
640011010524
76000414265
oct1633710624
9555650037
10242192788
11114791032
1269139a44
133b23ac56
142424696c
15163e0c5d
hexe6f9194

242192788 has 24 divisors (see below), whose sum is σ = 429105600. Its totient is φ = 119598528.

The previous prime is 242192779. The next prime is 242192789. The reversal of 242192788 is 887291242.

242192788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242192789) 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, 187248 + ... + 188536.

It is an arithmetic number, because the mean of its divisors is an integer number (17879400).

Almost surely, 2242192788 is an apocalyptic number.

It is an amenable number.

242192788 is a deficient number, since it is larger than the sum of its proper divisors (186912812).

242192788 is a wasteful number, since it uses less digits than its factorization.

242192788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1837 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 242192788 is about 15562.5443935110. The cubic root of 242192788 is about 623.3334056513. Note that the first 3 decimals are identical.

The spelling of 242192788 in words is "two hundred forty-two million, one hundred ninety-two thousand, seven hundred eighty-eight".

Divisors: 1 2 4 107 214 428 439 878 1289 1756 2578 5156 46973 93946 137923 187892 275846 551692 565871 1131742 2263484 60548197 121096394 242192788