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6881308 = 227534637
BaseRepresentation
bin11010010000000000011100
3110221121101021
4122100000130
53230200213
6403253524
7112330060
oct32200034
913847337
106881308
113980035
12237a2a4
13156c1a5
14cb1aa0
1590dd8d
hex69001c

6881308 has 24 divisors (see below), whose sum is σ = 14025312. Its totient is φ = 2892864.

The previous prime is 6881291. The next prime is 6881321. The reversal of 6881308 is 8031886.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835 + ... + 3802.

It is an arithmetic number, because the mean of its divisors is an integer number (584388).

Almost surely, 26881308 is an apocalyptic number.

It is an amenable number.

6881308 is an abundant number, since it is smaller than the sum of its proper divisors (7144004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6881308 is a wasteful number, since it uses less digits than its factorization.

6881308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4699 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 6881308 is about 2623.2247330338. The cubic root of 6881308 is about 190.2057604708.

The spelling of 6881308 in words is "six million, eight hundred eighty-one thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 4637 9274 18548 32459 64918 129836 245761 491522 983044 1720327 3440654 6881308