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212693056 = 2618232
BaseRepresentation
bin11001010110101…
…11000001000000
3112211012221000121
430223113001000
5413422134211
633034430024
75161601242
oct1453270100
9484187017
10212693056
11aa072494
125b292314
13350ac8a4
1420368092
1513a15271
hexcad7040

212693056 has 21 divisors (see below), whose sum is σ = 422294431. Its totient is φ = 106288192.

The previous prime is 212693051. The next prime is 212693059. The reversal of 212693056 is 650396212.

The square root of 212693056 is 14584.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212693051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 115761 + ... + 117583.

Almost surely, 2212693056 is an apocalyptic number.

212693056 is the 14584-th square number.

It is an amenable number.

212693056 is a deficient number, since it is larger than the sum of its proper divisors (209601375).

212693056 is an frugal number, since it uses more digits than its factorization.

212693056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The cubic root of 212693056 is about 596.9222542780.

The spelling of 212693056 in words is "two hundred twelve million, six hundred ninety-three thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 1823 3646 7292 14584 29168 58336 116672 3323329 6646658 13293316 26586632 53173264 106346528 212693056