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242330442 = 231571731487
BaseRepresentation
bin11100111000110…
…10101101001010
3121212222122212120
432130122231022
5444014033232
640013552110
76001526514
oct1634325512
9555878776
10242330442
111148754a2
12691a5636
133b2887c3
1424280bb4
151641b92c
hexe71ab4a

242330442 has 32 divisors (see below), whose sum is σ = 490897152. Its totient is φ = 79744704.

The previous prime is 242330399. The next prime is 242330443. The reversal of 242330442 is 244033242.

It is not an unprimeable number, because it can be changed into a prime (242330443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162223 + ... + 163709.

It is an arithmetic number, because the mean of its divisors is an integer number (15340536).

Almost surely, 2242330442 is an apocalyptic number.

242330442 is an abundant number, since it is smaller than the sum of its proper divisors (248566710).

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

242330442 is a wasteful number, since it uses less digits than its factorization.

242330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 242330442 is about 15566.9663711335. The cubic root of 242330442 is about 623.4514769977.

Adding to 242330442 its reverse (244033242), we get a palindrome (486363684).

The spelling of 242330442 in words is "two hundred forty-two million, three hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 157 173 314 346 471 519 942 1038 1487 2974 4461 8922 27161 54322 81483 162966 233459 257251 466918 514502 700377 771753 1400754 1543506 40388407 80776814 121165221 242330442