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242115433 = 7263347379
BaseRepresentation
bin11100110111001…
…10001101101001
3121212120201221021
432123212031221
5443440143213
640005212441
75666642620
oct1633461551
9555521837
10242115433
111147389aa
1269101121
133b211991
14242266b7
15163c7d8d
hexe6e6369

242115433 has 16 divisors (see below), whose sum is σ = 279290880. Its totient is φ = 205598736.

The previous prime is 242115397. The next prime is 242115437. The reversal of 242115433 is 334511242.

It is not a de Polignac number, because 242115433 - 29 = 242114921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242115398 and 242115407.

It is not an unprimeable number, because it can be changed into a prime (242115437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638638 + ... + 639016.

It is an arithmetic number, because the mean of its divisors is an integer number (17455680).

Almost surely, 2242115433 is an apocalyptic number.

It is an amenable number.

242115433 is a deficient number, since it is larger than the sum of its proper divisors (37175447).

242115433 is a wasteful number, since it uses less digits than its factorization.

242115433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 2880, while the sum is 25.

The square root of 242115433 is about 15560.0589009168. The cubic root of 242115433 is about 623.2670355357.

Adding to 242115433 its reverse (334511242), we get a palindrome (576626675).

The spelling of 242115433 in words is "two hundred forty-two million, one hundred fifteen thousand, four hundred thirty-three".

Divisors: 1 7 263 347 379 1841 2429 2653 91261 99677 131513 638827 697739 920591 34587919 242115433