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242803218 = 2375781029
BaseRepresentation
bin11100111100011…
…10001000010010
3121220212200101210
432132032020102
5444124200333
640032040550
76005536050
oct1636161022
9556780353
10242803218
11115068719
1269393156
133b3c2a58
14243651d0
15164b1a63
hexe78e212

242803218 has 16 divisors (see below), whose sum is σ = 554978880. Its totient is φ = 69372336.

The previous prime is 242803217. The next prime is 242803307. The reversal of 242803218 is 812308242.

It is not an unprimeable number, because it can be changed into a prime (242803217) 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, 2890473 + ... + 2890556.

It is an arithmetic number, because the mean of its divisors is an integer number (34686180).

Almost surely, 2242803218 is an apocalyptic number.

242803218 is an abundant number, since it is smaller than the sum of its proper divisors (312175662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242803218 is a wasteful number, since it uses less digits than its factorization.

242803218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781041.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 242803218 is about 15582.1442041845. The cubic root of 242803218 is about 623.8566557243.

The spelling of 242803218 in words is "two hundred forty-two million, eight hundred three thousand, two hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 5781029 11562058 17343087 34686174 40467203 80934406 121401609 242803218