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4029213 = 31343071
BaseRepresentation
bin1111010111101100011101
321120201001010
433113230131
52012413323
6222205433
746150656
oct17275435
97521033
104029213
112302231
121423879
13ab0c66
1476c52d
15548c93
hex3d7b1d

4029213 has 4 divisors (see below), whose sum is σ = 5372288. Its totient is φ = 2686140.

The previous prime is 4029203. The next prime is 4029217. The reversal of 4029213 is 3129204.

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 not a de Polignac number, because 4029213 - 214 = 4012829 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4029213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4029217) 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, 671533 + ... + 671538.

It is an arithmetic number, because the mean of its divisors is an integer number (1343072).

Almost surely, 24029213 is an apocalyptic number.

It is an amenable number.

4029213 is a deficient number, since it is larger than the sum of its proper divisors (1343075).

4029213 is a wasteful number, since it uses less digits than its factorization.

4029213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343074.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4029213 is about 2007.2899641058. The cubic root of 4029213 is about 159.1256077982.

Subtracting from 4029213 its reverse (3129204), we obtain a palindrome (900009).

The spelling of 4029213 in words is "four million, twenty-nine thousand, two hundred thirteen".

Divisors: 1 3 1343071 4029213