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1086140 = 225114937
BaseRepresentation
bin100001001001010111100
32001011220102
410021022330
5234224030
635140232
712142406
oct4111274
92034812
101086140
11682040
12444678
132c04b3
14203b76
15166c45
hex1092bc

1086140 has 24 divisors (see below), whose sum is σ = 2488752. Its totient is φ = 394880.

The previous prime is 1086139. The next prime is 1086149. The reversal of 1086140 is 416801.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (103698).

21086140 is an apocalyptic number.

1086140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1086140 is an abundant number, since it is smaller than the sum of its proper divisors (1402612).

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

1086140 is a wasteful number, since it uses less digits than its factorization.

1086140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1086140 is about 1042.1804066475. The cubic root of 1086140 is about 102.7926201004.

It can be divided in two parts, 10861 and 40, that added together give a palindrome (10901).

The spelling of 1086140 in words is "one million, eighty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 4937 9874 19748 24685 49370 54307 98740 108614 217228 271535 543070 1086140