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43211013 = 389161839
BaseRepresentation
bin1010010011010…
…1100100000101
310000022100100220
42210311210011
542030223023
64142054553
71033200426
oct244654405
9100270326
1043211013
112243408a
121257a459
138c4c261
145a4b64d
153bd83e3
hex2935905

43211013 has 8 divisors (see below), whose sum is σ = 58262400. Its totient is φ = 28483488.

The previous prime is 43211011. The next prime is 43211029. The reversal of 43211013 is 31011234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43211013 - 21 = 43211011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43210983 and 43211001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43211011) 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 7 ways as a sum of consecutive naturals, for example, 80653 + ... + 81186.

It is an arithmetic number, because the mean of its divisors is an integer number (7282800).

Almost surely, 243211013 is an apocalyptic number.

It is an amenable number.

43211013 is a deficient number, since it is larger than the sum of its proper divisors (15051387).

43211013 is a wasteful number, since it uses less digits than its factorization.

43211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161931.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 43211013 is about 6573.5084239697. The cubic root of 43211013 is about 350.9119429108.

Adding to 43211013 its reverse (31011234), we get a palindrome (74222247).

The spelling of 43211013 in words is "forty-three million, two hundred eleven thousand, thirteen".

Divisors: 1 3 89 267 161839 485517 14403671 43211013