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1079940 = 223541439
BaseRepresentation
bin100000111101010000100
32000212101210
410013222010
5234024230
635051420
712115341
oct4075204
92025353
101079940
11678414
12440b70
132ba724
142017c8
15164eb0
hex107a84

1079940 has 48 divisors (see below), whose sum is σ = 3104640. Its totient is φ = 280320.

The previous prime is 1079933. The next prime is 1079957. The reversal of 1079940 is 499701.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1079898 and 1079907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2241 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (64680).

21079940 is an apocalyptic number.

1079940 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 1079940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552320).

1079940 is an abundant number, since it is smaller than the sum of its proper divisors (2024700).

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

1079940 is a wasteful number, since it uses less digits than its factorization.

1079940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1079940 is about 1039.2016166269. The cubic root of 1079940 is about 102.5966567921.

The spelling of 1079940 in words is "one million, seventy-nine thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 439 492 615 820 878 1230 1317 1756 2195 2460 2634 4390 5268 6585 8780 13170 17999 26340 35998 53997 71996 89995 107994 179990 215988 269985 359980 539970 1079940