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2067397 = 4348079
BaseRepresentation
bin111111000101111000101
310220000221021
413320233011
51012124042
6112151141
723400253
oct7705705
93800837
102067397
1111922a2
128384b1
13575017
143bb5d3
152ac867
hex1f8bc5

2067397 has 4 divisors (see below), whose sum is σ = 2115520. Its totient is φ = 2019276.

The previous prime is 2067383. The next prime is 2067407. The reversal of 2067397 is 7937602.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7937602 = 23968801.

It is a cyclic number.

It is not a de Polignac number, because 2067397 - 27 = 2067269 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 (2067337) 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, 23997 + ... + 24082.

It is an arithmetic number, because the mean of its divisors is an integer number (528880).

22067397 is an apocalyptic number.

It is an amenable number.

2067397 is a deficient number, since it is larger than the sum of its proper divisors (48123).

2067397 is an equidigital number, since it uses as much as digits as its factorization.

2067397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48122.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 2067397 is about 1437.8445673994. The cubic root of 2067397 is about 127.3917471511.

The spelling of 2067397 in words is "two million, sixty-seven thousand, three hundred ninety-seven".

Divisors: 1 43 48079 2067397