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6742261 = 52112941
BaseRepresentation
bin11001101110000011110101
3110200112122101
4121232003311
53211223021
6400302101
7111210511
oct31560365
913615571
106742261
113895619
122311931
131520b06
14c77141
158d2a91
hex66e0f5

6742261 has 4 divisors (see below), whose sum is σ = 6755724. Its totient is φ = 6728800.

The previous prime is 6742259. The next prime is 6742279. The reversal of 6742261 is 1622476.

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 3538161 + 3204100 = 1881^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 6742261 - 21 = 6742259 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 (6742201) 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, 5950 + ... + 6991.

It is an arithmetic number, because the mean of its divisors is an integer number (1688931).

Almost surely, 26742261 is an apocalyptic number.

It is an amenable number.

6742261 is a deficient number, since it is larger than the sum of its proper divisors (13463).

6742261 is a wasteful number, since it uses less digits than its factorization.

6742261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13462.

The product of its digits is 4032, while the sum is 28.

The square root of 6742261 is about 2596.5864129661. The cubic root of 6742261 is about 188.9159037230.

The spelling of 6742261 in words is "six million, seven hundred forty-two thousand, two hundred sixty-one".

Divisors: 1 521 12941 6742261