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1083880 = 2357379
BaseRepresentation
bin100001000100111101000
32001001210201
410020213220
5234141010
635121544
712133000
oct4104750
92031721
101083880
11680376
124432b4
132bc465
14203000
1516623a
hex1089e8

1083880 has 64 divisors (see below), whose sum is σ = 2880000. Its totient is φ = 366912.

The previous prime is 1083871. The next prime is 1083881. The reversal of 1083880 is 883801.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1083881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13681 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (45000).

21083880 is an apocalyptic number.

1083880 is a gapful number since it is divisible by the number (10) 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 1083880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440000).

1083880 is an abundant number, since it is smaller than the sum of its proper divisors (1796120).

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

1083880 is an equidigital number, since it uses as much as digits as its factorization.

1083880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1083880 is about 1041.0955767844. The cubic root of 1083880 is about 102.7212748974.

The spelling of 1083880 in words is "one million, eighty-three thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 79 98 140 158 196 245 280 316 343 392 395 490 553 632 686 790 980 1106 1372 1580 1715 1960 2212 2744 2765 3160 3430 3871 4424 5530 6860 7742 11060 13720 15484 19355 22120 27097 30968 38710 54194 77420 108388 135485 154840 216776 270970 541940 1083880