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526240242 = 232112657779
BaseRepresentation
bin11111010111011…
…100100111110010
31100200012202220100
4133113130213302
52034204141432
6124115053230
716016653053
oct3727344762
91320182810
10526240242
1125005a0a0
121282a1216
1385041978
144dc6672a
15312ed07c
hex1f5dc9f2

526240242 has 24 divisors (see below), whose sum is σ = 1243841040. Its totient is φ = 159466680.

The previous prime is 526240241. The next prime is 526240243. The reversal of 526240242 is 242042625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (526240241) and next prime (526240243).

It is not an unprimeable number, because it can be changed into a prime (526240241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1328692 + ... + 1329087.

It is an arithmetic number, because the mean of its divisors is an integer number (51826710).

Almost surely, 2526240242 is an apocalyptic number.

526240242 is an abundant number, since it is smaller than the sum of its proper divisors (717600798).

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

526240242 is a wasteful number, since it uses less digits than its factorization.

526240242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657798 (or 2657795 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 526240242 is about 22939.9268089504. The cubic root of 526240242 is about 807.3490748550.

Adding to 526240242 its reverse (242042625), we get a palindrome (768282867).

The spelling of 526240242 in words is "five hundred twenty-six million, two hundred forty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2657779 5315558 7973337 15946674 23920011 29235569 47840022 58471138 87706707 175413414 263120121 526240242