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242030515 = 5251192853
BaseRepresentation
bin11100110110100…
…01011110110011
3121212102102110011
432123101132303
5443424434030
640003315351
75666140216
oct1633213663
9555372404
10242030515
11114690121
126907bb57
133b1b212c
142420377d
15163acb2a
hexe6d17b3

242030515 has 8 divisors (see below), whose sum is σ = 291595248. Its totient is φ = 192852000.

The previous prime is 242030507. The next prime is 242030539. The reversal of 242030515 is 515030242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242030515 - 23 = 242030507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 95172 + ... + 97681.

It is an arithmetic number, because the mean of its divisors is an integer number (36449406).

Almost surely, 2242030515 is an apocalyptic number.

242030515 is a deficient number, since it is larger than the sum of its proper divisors (49564733).

242030515 is a wasteful number, since it uses less digits than its factorization.

242030515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193109.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 242030515 is about 15557.3299444346. The cubic root of 242030515 is about 623.1941601330.

Adding to 242030515 its reverse (515030242), we get a palindrome (757060757).

The spelling of 242030515 in words is "two hundred forty-two million, thirty thousand, five hundred fifteen".

Divisors: 1 5 251 1255 192853 964265 48406103 242030515