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11160980 = 22519231277
BaseRepresentation
bin101010100100…
…110110010100
3210000000222122
4222210312110
510324122410
61035115112
7163603205
oct52446624
923000878
1011160980
116333456
1238a2a98
13240a13c
1416a75ac
15ea6e55
hexaa4d94

11160980 has 48 divisors (see below), whose sum is σ = 25764480. Its totient is φ = 4042368.

The previous prime is 11160967. The next prime is 11160983. The reversal of 11160980 is 8906111.

11160980 = T135 + T136 + ... + T410.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11160983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8102 + ... + 9378.

It is an arithmetic number, because the mean of its divisors is an integer number (536760).

Almost surely, 211160980 is an apocalyptic number.

11160980 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 11160980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12882240).

11160980 is an abundant number, since it is smaller than the sum of its proper divisors (14603500).

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

11160980 is a wasteful number, since it uses less digits than its factorization.

11160980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 11160980 is about 3340.8052921414. The cubic root of 11160980 is about 223.4776572647.

The spelling of 11160980 in words is "eleven million, one hundred sixty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1277 1748 2185 2554 4370 5108 6385 8740 12770 24263 25540 29371 48526 58742 97052 117484 121315 146855 242630 293710 485260 558049 587420 1116098 2232196 2790245 5580490 11160980