Search a number
-
+
242442307 = 4134717041
BaseRepresentation
bin11100111001101…
…10000001000011
3121220012100022201
432130312001003
5444031123212
640020214031
76002503612
oct1634660103
9556170281
10242442307
11114941548
126923a317
133b2c76b3
14242ad879
151643eb57
hexe736043

242442307 has 8 divisors (see below), whose sum is σ = 249085872. Its totient is φ = 235833600.

The previous prime is 242442301. The next prime is 242442313. The reversal of 242442307 is 703244242.

It is an interprime number because it is at equal distance from previous prime (242442301) and next prime (242442313).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242442307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242442301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5707 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (31135734).

Almost surely, 2242442307 is an apocalyptic number.

242442307 is a deficient number, since it is larger than the sum of its proper divisors (6643565).

242442307 is a wasteful number, since it uses less digits than its factorization.

242442307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17429.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 242442307 is about 15570.5589816166. The cubic root of 242442307 is about 623.5473951582.

Adding to 242442307 its reverse (703244242), we get a palindrome (945686549).

The spelling of 242442307 in words is "two hundred forty-two million, four hundred forty-two thousand, three hundred seven".

Divisors: 1 41 347 14227 17041 698681 5913227 242442307