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1129080 = 2335972
BaseRepresentation
bin100010011101001111000
32010100210210
410103221320
5242112310
640111120
712411531
oct4235170
92110723
101129080
11701327
124654a0
13306bc4
14215688
15174820
hex113a78

1129080 has 48 divisors (see below), whose sum is σ = 3422520. Its totient is φ = 297984.

The previous prime is 1129043. The next prime is 1129103. The reversal of 1129080 is 809211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11592 + ... + 11688.

21129080 is an apocalyptic number.

1129080 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 1129080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711260).

1129080 is an abundant number, since it is smaller than the sum of its proper divisors (2293440).

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

1129080 is an equidigital number, since it uses as much as digits as its factorization.

1129080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1129080 is about 1062.5817615600. The cubic root of 1129080 is about 104.1297689762.

The spelling of 1129080 in words is "one million, one hundred twenty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 97 120 194 291 388 485 582 776 970 1164 1455 1940 2328 2910 3880 5820 9409 11640 18818 28227 37636 47045 56454 75272 94090 112908 141135 188180 225816 282270 376360 564540 1129080