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212044589 = 474511587
BaseRepresentation
bin11001010001110…
…00101100101101
3112202222222111022
430220320230231
5413240411324
633012503525
75153230541
oct1450705455
9482888438
10212044589
11a976a269
125b01aba5
1334c13693
1420239a21
151393805e
hexca38b2d

212044589 has 4 divisors (see below), whose sum is σ = 216556224. Its totient is φ = 207532956.

The previous prime is 212044583. The next prime is 212044603. The reversal of 212044589 is 985440212.

212044589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-212044589 is a prime.

It is a super-3 number, since 3×2120445893 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212044583) 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, 2255747 + ... + 2255840.

It is an arithmetic number, because the mean of its divisors is an integer number (54139056).

Almost surely, 2212044589 is an apocalyptic number.

It is an amenable number.

212044589 is a deficient number, since it is larger than the sum of its proper divisors (4511635).

212044589 is an equidigital number, since it uses as much as digits as its factorization.

212044589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511634.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 212044589 is about 14561.7508906038. The cubic root of 212044589 is about 596.3149966576.

The spelling of 212044589 in words is "two hundred twelve million, forty-four thousand, five hundred eighty-nine".

Divisors: 1 47 4511587 212044589