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1005524142 = 237181349379
BaseRepresentation
bin111011111011110…
…001010010101110
32121002001220210220
4323323301102232
54024403233032
6243435512210
733626546160
oct7373612256
92532056726
101005524142
11476657197
122408b8666
131304226cc
1497788930
155d42312c
hex3bef14ae

1005524142 has 64 divisors (see below), whose sum is σ = 2323776000. Its totient is φ = 284135040.

The previous prime is 1005524123. The next prime is 1005524203. The reversal of 1005524142 is 2414255001.

It is a super-2 number, since 2×10055241422 = 2022157600289672328, 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2652909 + ... + 2653287.

It is an arithmetic number, because the mean of its divisors is an integer number (36309000).

Almost surely, 21005524142 is an apocalyptic number.

1005524142 is an abundant number, since it is smaller than the sum of its proper divisors (1318251858).

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

1005524142 is a wasteful number, since it uses less digits than its factorization.

1005524142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1005524142 is about 31710.0006622516. Note that the first 3 decimals coincide. The cubic root of 1005524142 is about 1001.8380003516.

Adding to 1005524142 its reverse (2414255001), we get a palindrome (3419779143).

The spelling of 1005524142 in words is "one billion, five million, five hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 181 349 362 379 543 698 758 1047 1086 1137 1267 2094 2274 2443 2534 2653 3801 4886 5306 7329 7602 7959 14658 15918 63169 68599 126338 132271 137198 189507 205797 264542 379014 396813 411594 442183 480193 793626 884366 925897 960386 1326549 1440579 1851794 2653098 2777691 2881158 5555382 23941051 47882102 71823153 143646306 167587357 335174714 502762071 1005524142