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212836808 = 2361587743
BaseRepresentation
bin11001010111110…
…10000111001000
3112211111020012202
430223322013020
5413441234213
633041455332
75163040322
oct1453720710
9484436182
10212836808
11aa160498
125b341548
1335130152
14203a4612
1513a42b58
hexcafa1c8

212836808 has 32 divisors (see below), whose sum is σ = 406848960. Its totient is φ = 104354880.

The previous prime is 212836801. The next prime is 212836847. The reversal of 212836808 is 808638212.

212836808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212836801) 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, 286085 + ... + 286827.

It is an arithmetic number, because the mean of its divisors is an integer number (12714030).

Almost surely, 2212836808 is an apocalyptic number.

It is an amenable number.

212836808 is a deficient number, since it is larger than the sum of its proper divisors (194012152).

212836808 is a wasteful number, since it uses less digits than its factorization.

212836808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 212836808 is about 14588.9275822454. The cubic root of 212836808 is about 597.0567038067.

The spelling of 212836808 in words is "two hundred twelve million, eight hundred thirty-six thousand, eight hundred eight".

Divisors: 1 2 4 8 61 122 244 488 587 743 1174 1486 2348 2972 4696 5944 35807 45323 71614 90646 143228 181292 286456 362584 436141 872282 1744564 3489128 26604601 53209202 106418404 212836808