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1242422230 = 25726965981
BaseRepresentation
bin100101000001101…
…1101101111010110
310012120211120220011
41022003131233112
510021030002410
6323141230434
742534262150
oct11203355726
93176746804
101242422230
11588351235
122a810241a
1316a5286aa
14bb013ad0
157411a18a
hex4a0ddbd6

1242422230 has 32 divisors (see below), whose sum is σ = 2565380160. Its totient is φ = 424383360.

The previous prime is 1242422213. The next prime is 1242422317. The reversal of 1242422230 is 322242421.

It is a super-2 number, since 2×12424222302 = 3087225995196345800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14161 + ... + 51820.

It is an arithmetic number, because the mean of its divisors is an integer number (80168130).

Almost surely, 21242422230 is an apocalyptic number.

1242422230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242422230 is an abundant number, since it is smaller than the sum of its proper divisors (1322957930).

1242422230 is a wasteful number, since it uses less digits than its factorization.

1242422230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66264.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1242422230 is about 35248.0102984551. The cubic root of 1242422230 is about 1075.0361567071.

Adding to 1242422230 its reverse (322242421), we get a palindrome (1564664651).

The spelling of 1242422230 in words is "one billion, two hundred forty-two million, four hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 269 538 1345 1883 2690 3766 9415 18830 65981 131962 329905 461867 659810 923734 2309335 4618670 17748889 35497778 88744445 124242223 177488890 248484446 621211115 1242422230