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12852078 = 232393131
BaseRepresentation
bin110001000001…
…101101101110
3220011221201220
4301001231232
511242231303
61135244210
7214145421
oct61015556
926157656
1012852078
117288a58
124379666
13287caa5
1419c79b8
1511dd053
hexc41b6e

12852078 has 16 divisors (see below), whose sum is σ = 26822016. Its totient is φ = 4097720.

The previous prime is 12852071. The next prime is 12852109. The reversal of 12852078 is 87025821.

12852078 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×128520783 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12852071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46428 + ... + 46703.

It is an arithmetic number, because the mean of its divisors is an integer number (1676376).

Almost surely, 212852078 is an apocalyptic number.

12852078 is an abundant number, since it is smaller than the sum of its proper divisors (13969938).

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

12852078 is a wasteful number, since it uses less digits than its factorization.

12852078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93159.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 12852078 is about 3584.9794978493. The cubic root of 12852078 is about 234.2382335228.

Adding to 12852078 its reverse (87025821), we get a palindrome (99877899).

The spelling of 12852078 in words is "twelve million, eight hundred fifty-two thousand, seventy-eight".

Divisors: 1 2 3 6 23 46 69 138 93131 186262 279393 558786 2142013 4284026 6426039 12852078