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3439213 = 23149531
BaseRepresentation
bin1101000111101001101101
320110201201021
431013221231
51340023323
6201414141
741142601
oct15075155
96421637
103439213
111a39a28
12119a351
1393554b
14657501
1547e05d
hex347a6d

3439213 has 4 divisors (see below), whose sum is σ = 3588768. Its totient is φ = 3289660.

The previous prime is 3439207. The next prime is 3439217. The reversal of 3439213 is 3129343.

It is a happy number.

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-3439213 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3439217) 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, 74743 + ... + 74788.

It is an arithmetic number, because the mean of its divisors is an integer number (897192).

Almost surely, 23439213 is an apocalyptic number.

It is an amenable number.

3439213 is a deficient number, since it is larger than the sum of its proper divisors (149555).

3439213 is a wasteful number, since it uses less digits than its factorization.

3439213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149554.

The product of its digits is 1944, while the sum is 25.

The square root of 3439213 is about 1854.5115259820. The cubic root of 3439213 is about 150.9453334855.

The spelling of 3439213 in words is "three million, four hundred thirty-nine thousand, two hundred thirteen".

Divisors: 1 23 149531 3439213