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6881442 = 233136997
BaseRepresentation
bin11010010000000010100010
3110221121120020
4122100002202
53230201232
6403254310
7112330341
oct32200242
913847506
106881442
113980147
12237a396
13156c279
14cb1b58
1590de2c
hex6900a2

6881442 has 16 divisors (see below), whose sum is σ = 14207232. Its totient is φ = 2219760.

The previous prime is 6881437. The next prime is 6881443. The reversal of 6881442 is 2441886.

It is not an unprimeable number, because it can be changed into a prime (6881443) by changing a digit.

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, 18313 + ... + 18684.

It is an arithmetic number, because the mean of its divisors is an integer number (887952).

Almost surely, 26881442 is an apocalyptic number.

6881442 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6881442 is an abundant number, since it is smaller than the sum of its proper divisors (7325790).

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

6881442 is a wasteful number, since it uses less digits than its factorization.

6881442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37033.

The product of its digits is 12288, while the sum is 33.

The square root of 6881442 is about 2623.2502739922. The cubic root of 6881442 is about 190.2069950910.

The spelling of 6881442 in words is "six million, eight hundred eighty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 36997 73994 110991 221982 1146907 2293814 3440721 6881442