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2938013 = 13226001
BaseRepresentation
bin1011001101010010011101
312112021012022
423031102131
51223004023
6142545525
733654431
oct13152235
95467168
102938013
111727411
12b982a5
137bb390
145669c1
153d07c8
hex2cd49d

2938013 has 4 divisors (see below), whose sum is σ = 3164028. Its totient is φ = 2712000.

The previous prime is 2938009. The next prime is 2938021. The reversal of 2938013 is 3108392.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 708964 + 2229049 = 842^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938013 - 22 = 2938009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938003) 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, 112988 + ... + 113013.

It is an arithmetic number, because the mean of its divisors is an integer number (791007).

22938013 is an apocalyptic number.

It is an amenable number.

2938013 is a deficient number, since it is larger than the sum of its proper divisors (226015).

2938013 is a wasteful number, since it uses less digits than its factorization.

2938013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226014.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2938013 is about 1714.0633010481. The cubic root of 2938013 is about 143.2246944346.

The spelling of 2938013 in words is "two million, nine hundred thirty-eight thousand, thirteen".

Divisors: 1 13 226001 2938013