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212675233 = 1071987619
BaseRepresentation
bin11001010110100…
…10101010100001
3112211012000120111
430223102222201
5413421101413
633034211321
75161465261
oct1453225241
9484160514
10212675233
11aa060061
125b283b41
13350a4744
14203617a1
1513a0ed3d
hexcad2aa1

212675233 has 4 divisors (see below), whose sum is σ = 214662960. Its totient is φ = 210687508.

The previous prime is 212675209. The next prime is 212675237. The reversal of 212675233 is 332576212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212675233 - 225 = 179120801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212675195 and 212675204.

It is not an unprimeable number, because it can be changed into a prime (212675237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993703 + ... + 993916.

It is an arithmetic number, because the mean of its divisors is an integer number (53665740).

Almost surely, 2212675233 is an apocalyptic number.

It is an amenable number.

212675233 is a deficient number, since it is larger than the sum of its proper divisors (1987727).

212675233 is a wasteful number, since it uses less digits than its factorization.

212675233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987726.

The product of its digits is 15120, while the sum is 31.

The square root of 212675233 is about 14583.3889408464. The cubic root of 212675233 is about 596.9055804184.

The spelling of 212675233 in words is "two hundred twelve million, six hundred seventy-five thousand, two hundred thirty-three".

Divisors: 1 107 1987619 212675233