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242312340 = 22354038539
BaseRepresentation
bin11100111000101…
…10010010010100
3121212221202001010
432130112102110
5444012443330
640013332220
76001422654
oct1634262224
9555852033
10242312340
11114862936
1269197070
133b2804aa
1424278364
15164163b0
hexe716494

242312340 has 24 divisors (see below), whose sum is σ = 678474720. Its totient is φ = 64616608.

The previous prime is 242312333. The next prime is 242312381. The reversal of 242312340 is 43213242.

It is a congruent number.

It is an unprimeable number.

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, 2019210 + ... + 2019329.

It is an arithmetic number, because the mean of its divisors is an integer number (28269780).

Almost surely, 2242312340 is an apocalyptic number.

242312340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242312340 is an abundant number, since it is smaller than the sum of its proper divisors (436162380).

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

242312340 is a wasteful number, since it uses less digits than its factorization.

242312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038551 (or 4038549 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 242312340 is about 15566.3849367796. The cubic root of 242312340 is about 623.4359527414.

Adding to 242312340 its reverse (43213242), we get a palindrome (285525582).

The spelling of 242312340 in words is "two hundred forty-two million, three hundred twelve thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4038539 8077078 12115617 16154156 20192695 24231234 40385390 48462468 60578085 80770780 121156170 242312340