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1081376 = 2547719
BaseRepresentation
bin100001000000000100000
32000221100222
410020000200
5234101001
635102212
712122462
oct4100040
92027328
101081376
116794aa
12441968
132bb28a
14202132
1516561b
hex108020

1081376 has 24 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 528448.

The previous prime is 1081369. The next prime is 1081403. The reversal of 1081376 is 6731801.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

21081376 is an apocalyptic number.

1081376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1088640).

1081376 is an abundant number, since it is smaller than the sum of its proper divisors (1095904).

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

1081376 is an equidigital number, since it uses as much as digits as its factorization.

1081376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1081376 is about 1039.8923021159. The cubic root of 1081376 is about 102.6421110292.

The spelling of 1081376 in words is "one million, eighty-one thousand, three hundred seventy-six".

Divisors: 1 2 4 8 16 32 47 94 188 376 719 752 1438 1504 2876 5752 11504 23008 33793 67586 135172 270344 540688 1081376