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242304405 = 3572307661
BaseRepresentation
bin11100111000101…
…00010110010101
3121212221100011020
432130110112111
5444012220110
640013231353
76001360560
oct1634242625
9555840136
10242304405
11114857982
1269192559
133b2799b5
14242754d7
1516413d70
hexe714595

242304405 has 16 divisors (see below), whose sum is σ = 443071104. Its totient is φ = 110767680.

The previous prime is 242304373. The next prime is 242304407. The reversal of 242304405 is 504403242.

242304405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242304405 - 25 = 242304373 is a prime.

It is a super-2 number, since 2×2423044052 = 117422849364808050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242304407) 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, 1153726 + ... + 1153935.

It is an arithmetic number, because the mean of its divisors is an integer number (27691944).

Almost surely, 2242304405 is an apocalyptic number.

It is an amenable number.

242304405 is a deficient number, since it is larger than the sum of its proper divisors (200766699).

242304405 is a wasteful number, since it uses less digits than its factorization.

242304405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307676.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 242304405 is about 15566.1300585598. The cubic root of 242304405 is about 623.4291474500.

Adding to 242304405 its reverse (504403242), we get a palindrome (746707647).

The spelling of 242304405 in words is "two hundred forty-two million, three hundred four thousand, four hundred five".

Divisors: 1 3 5 7 15 21 35 105 2307661 6922983 11538305 16153627 34614915 48460881 80768135 242304405