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3923013 = 31307671
BaseRepresentation
bin1110111101110001000101
321101022100210
432331301011
52001014023
6220030033
745226233
oct16756105
97338323
103923013
11223a466
121392319
13a74813
14741953
15527593
hex3bdc45

3923013 has 4 divisors (see below), whose sum is σ = 5230688. Its totient is φ = 2615340.

The previous prime is 3923011. The next prime is 3923047. The reversal of 3923013 is 3103293.

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 3923013 - 21 = 3923011 is a prime.

It is a D-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 (3923011) 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, 653833 + ... + 653838.

It is an arithmetic number, because the mean of its divisors is an integer number (1307672).

Almost surely, 23923013 is an apocalyptic number.

It is an amenable number.

3923013 is a deficient number, since it is larger than the sum of its proper divisors (1307675).

3923013 is a wasteful number, since it uses less digits than its factorization.

3923013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307674.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3923013 is about 1980.6597385720. The cubic root of 3923013 is about 157.7150903553.

The spelling of 3923013 in words is "three million, nine hundred twenty-three thousand, thirteen".

Divisors: 1 3 1307671 3923013