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6872077 = 61112657
BaseRepresentation
bin11010001101110000001101
3110221010201101
4122031300031
53224401302
6403143101
7112261132
oct32156015
913833641
106872077
113974103
122374a91
131567c24
14cac589
1590b287
hex68dc0d

6872077 has 4 divisors (see below), whose sum is σ = 6984796. Its totient is φ = 6759360.

The previous prime is 6872071. The next prime is 6872081. The reversal of 6872077 is 7702786.

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 491401 + 6380676 = 701^2 + 2526^2 .

It is a cyclic number.

It is not a de Polignac number, because 6872077 - 211 = 6870029 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 (6872071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56268 + ... + 56389.

It is an arithmetic number, because the mean of its divisors is an integer number (1746199).

Almost surely, 26872077 is an apocalyptic number.

It is an amenable number.

6872077 is a deficient number, since it is larger than the sum of its proper divisors (112719).

6872077 is a wasteful number, since it uses less digits than its factorization.

6872077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112718.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 6872077 is about 2621.4646669372. The cubic root of 6872077 is about 190.1206712665.

The spelling of 6872077 in words is "six million, eight hundred seventy-two thousand, seventy-seven".

Divisors: 1 61 112657 6872077