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1080378 = 2371319
BaseRepresentation
bin100000111110000111010
32000220000000
410013300322
5234033003
635053430
712116535
oct4076072
92026000
101080378
11678782
12441276
132ba9a0
14201a1c
151651a3
hex107c3a

1080378 has 64 divisors (see below), whose sum is σ = 2755200. Its totient is φ = 314928.

The previous prime is 1080353. The next prime is 1080383. The reversal of 1080378 is 8730801.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56853 + ... + 56871.

It is an arithmetic number, because the mean of its divisors is an integer number (43050).

21080378 is an apocalyptic number.

1080378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377600).

1080378 is an abundant number, since it is smaller than the sum of its proper divisors (1674822).

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

1080378 is an equidigital number, since it uses as much as digits as its factorization.

1080378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1080378 is about 1039.4123339657. The cubic root of 1080378 is about 102.6105252360.

The spelling of 1080378 in words is "one million, eighty thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 81 114 117 162 171 234 243 247 342 351 486 494 513 702 729 741 1026 1053 1458 1482 1539 2106 2187 2223 3078 3159 4374 4446 4617 6318 6669 9234 9477 13338 13851 18954 20007 27702 28431 40014 41553 56862 60021 83106 120042 180063 360126 540189 1080378