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526813012 = 221111973023
BaseRepresentation
bin11111011001101…
…000011101010100
31100201021212121001
4133121220131110
52034331004022
6124135233044
716024556665
oct3731503524
91321255531
10526813012
11250410460
12128518784
13851b259b
144dd7536c
15313b2b27
hex1f668754

526813012 has 12 divisors (see below), whose sum is σ = 1005734016. Its totient is φ = 239460440.

The previous prime is 526813003. The next prime is 526813013. The reversal of 526813012 is 210318625.

It is a super-2 number, since 2×5268130122 = 555063899225024288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526813013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5986468 + ... + 5986555.

It is an arithmetic number, because the mean of its divisors is an integer number (83811168).

Almost surely, 2526813012 is an apocalyptic number.

It is an amenable number.

526813012 is a deficient number, since it is larger than the sum of its proper divisors (478921004).

526813012 is a wasteful number, since it uses less digits than its factorization.

526813012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11973038 (or 11973036 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 526813012 is about 22952.4075425651. The cubic root of 526813012 is about 807.6418800691.

The spelling of 526813012 in words is "five hundred twenty-six million, eight hundred thirteen thousand, twelve".

Divisors: 1 2 4 11 22 44 11973023 23946046 47892092 131703253 263406506 526813012