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242430026 = 2169771429
BaseRepresentation
bin11100111001100…
…11000001001010
3121220011201110212
432130303001022
5444030230101
640020041122
76002423036
oct1634630112
9556151425
10242430026
111149332a3
12692331a2
133b2c1c27
14242a91c6
151643b1bb
hexe73304a

242430026 has 8 divisors (see below), whose sum is σ = 363864420. Its totient is φ = 121141888.

The previous prime is 242430017. The next prime is 242430029. The reversal of 242430026 is 620034242.

It can be written as a sum of positive squares in 2 ways, for example, as 242269225 + 160801 = 15565^2 + 401^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 242429983 and 242430010.

It is not an unprimeable number, because it can be changed into a prime (242430029) 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 3 ways as a sum of consecutive naturals, for example, 32321 + ... + 39108.

Almost surely, 2242430026 is an apocalyptic number.

242430026 is a deficient number, since it is larger than the sum of its proper divisors (121434394).

242430026 is a wasteful number, since it uses less digits than its factorization.

242430026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73128.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 242430026 is about 15570.1646105621. The cubic root of 242430026 is about 623.5368663098.

Adding to 242430026 its reverse (620034242), we get a palindrome (862464268).

The spelling of 242430026 in words is "two hundred forty-two million, four hundred thirty thousand, twenty-six".

Divisors: 1 2 1697 3394 71429 142858 121215013 242430026