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242105055 = 3516140337
BaseRepresentation
bin11100110111000…
…11101011011111
3121212120012200220
432123203223133
5443434330210
640005052423
75666600433
oct1633435337
9555505626
10242105055
11114731125
12690b7113
133b20a03a
14242229c3
15163c4c70
hexe6e3adf

242105055 has 8 divisors (see below), whose sum is σ = 387368112. Its totient is φ = 129122688.

The previous prime is 242105029. The next prime is 242105081. The reversal of 242105055 is 550501242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242105029) and next prime (242105081).

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

It is not a de Polignac number, because 242105055 - 26 = 242104991 is a prime.

It is a super-2 number, since 2×2421050552 = 117229715313106050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8070154 + ... + 8070183.

It is an arithmetic number, because the mean of its divisors is an integer number (48421014).

Almost surely, 2242105055 is an apocalyptic number.

242105055 is a deficient number, since it is larger than the sum of its proper divisors (145263057).

242105055 is a wasteful number, since it uses less digits than its factorization.

242105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16140345.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 242105055 is about 15559.7254153150. The cubic root of 242105055 is about 623.2581301999.

Adding to 242105055 its reverse (550501242), we get a palindrome (792606297).

The spelling of 242105055 in words is "two hundred forty-two million, one hundred five thousand, fifty-five".

Divisors: 1 3 5 15 16140337 48421011 80701685 242105055