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2938385 = 5587677
BaseRepresentation
bin1011001101011000010001
312112021201002
423031120101
51223012020
6142551345
733655502
oct13153021
95467632
102938385
11172771a
12b98555
137bb5b8
14566ba9
153d0975
hex2cd611

2938385 has 4 divisors (see below), whose sum is σ = 3526068. Its totient is φ = 2350704.

The previous prime is 2938381. The next prime is 2938391. The reversal of 2938385 is 5838392.

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 591361 + 2347024 = 769^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938385 - 22 = 2938381 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2938381) 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, 293834 + ... + 293843.

It is an arithmetic number, because the mean of its divisors is an integer number (881517).

22938385 is an apocalyptic number.

It is an amenable number.

2938385 is a deficient number, since it is larger than the sum of its proper divisors (587683).

2938385 is an equidigital number, since it uses as much as digits as its factorization.

2938385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587682.

The product of its digits is 51840, while the sum is 38.

The square root of 2938385 is about 1714.1718116922. The cubic root of 2938385 is about 143.2307390343.

The spelling of 2938385 in words is "two million, nine hundred thirty-eight thousand, three hundred eighty-five".

Divisors: 1 5 587677 2938385