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242002351 = 1631484677
BaseRepresentation
bin11100110110010…
…10100110101111
3121212100222211001
432123022212233
5443423033401
640002541131
75665662133
oct1633124657
9555328731
10242002351
11114670a48
12690677a7
133b1a2376
14241d73c3
15163a4601
hexe6ca9af

242002351 has 4 divisors (see below), whose sum is σ = 243487192. Its totient is φ = 240517512.

The previous prime is 242002339. The next prime is 242002379. The reversal of 242002351 is 153200242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242002351 - 227 = 107784623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242002331) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 742176 + ... + 742501.

It is an arithmetic number, because the mean of its divisors is an integer number (60871798).

Almost surely, 2242002351 is an apocalyptic number.

242002351 is a deficient number, since it is larger than the sum of its proper divisors (1484841).

242002351 is a wasteful number, since it uses less digits than its factorization.

242002351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484840.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 242002351 is about 15556.4247499225. The cubic root of 242002351 is about 623.1699864303.

Adding to 242002351 its reverse (153200242), we get a palindrome (395202593).

The spelling of 242002351 in words is "two hundred forty-two million, two thousand, three hundred fifty-one".

Divisors: 1 163 1484677 242002351