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6880885 = 511125107
BaseRepresentation
bin11010001111111001110101
3110221120210121
4122033321311
53230142020
6403251541
7112325614
oct32177165
913846717
106880885
11397a790
122379bb1
13156bc3b
14cb187b
1590dbaa
hex68fe75

6880885 has 8 divisors (see below), whose sum is σ = 9007776. Its totient is φ = 5004240.

The previous prime is 6880879. The next prime is 6880891. The reversal of 6880885 is 5880886.

It is an interprime number because it is at equal distance from previous prime (6880879) and next prime (6880891).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6880885 - 23 = 6880877 is a prime.

It is a Duffinian number.

6880885 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62499 + ... + 62608.

It is an arithmetic number, because the mean of its divisors is an integer number (1125972).

Almost surely, 26880885 is an apocalyptic number.

It is an amenable number.

6880885 is a deficient number, since it is larger than the sum of its proper divisors (2126891).

6880885 is a wasteful number, since it uses less digits than its factorization.

6880885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125123.

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 6880885 is about 2623.1441058394. The cubic root of 6880885 is about 190.2018630196.

Subtracting from 6880885 its reverse (5880886), we obtain a palindrome (999999).

The spelling of 6880885 in words is "six million, eight hundred eighty thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 125107 625535 1376177 6880885