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242051047 = 7173199877
BaseRepresentation
bin11100110110101…
…10011111100111
3121212110110121121
432123112133213
5443431113142
640003554411
75666254120
oct1633263747
9555413547
10242051047
111146a4597
126908ba07
133b1bb594
142420b047
15163b3c67
hexe6d67e7

242051047 has 8 divisors (see below), whose sum is σ = 278230176. Its totient is φ = 206272032.

The previous prime is 242051039. The next prime is 242051071. The reversal of 242051047 is 740150242.

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

It is a cyclic number.

It is not a de Polignac number, because 242051047 - 23 = 242051039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242051027) by changing a digit.

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, 98728 + ... + 101149.

It is an arithmetic number, because the mean of its divisors is an integer number (34778772).

Almost surely, 2242051047 is an apocalyptic number.

242051047 is a deficient number, since it is larger than the sum of its proper divisors (36179129).

242051047 is a wasteful number, since it uses less digits than its factorization.

242051047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200057.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 242051047 is about 15557.9898123119. The cubic root of 242051047 is about 623.2117819615.

It can be divided in two parts, 24205 and 1047, that added together give a palindrome (25252).

The spelling of 242051047 in words is "two hundred forty-two million, fifty-one thousand, forty-seven".

Divisors: 1 7 173 1211 199877 1399139 34578721 242051047