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11239680 = 28352927
BaseRepresentation
bin101010111000…
…000100000000
3210011000221110
4222320010000
510334132210
61040523320
7164351514
oct52700400
923130843
1011239680
1163875a1
123920540
132436bca
1416c8144
15ec0420
hexab8100

11239680 has 72 divisors (see below), whose sum is σ = 35908992. Its totient is φ = 2996224.

The previous prime is 11239667. The next prime is 11239691. The reversal of 11239680 is 8693211.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (498736).

Almost surely, 211239680 is an apocalyptic number.

11239680 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 11239680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17954496).

11239680 is an abundant number, since it is smaller than the sum of its proper divisors (24669312).

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

11239680 is an equidigital number, since it uses as much as digits as its factorization.

11239680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11239680 is about 3352.5631985095. The cubic root of 11239680 is about 224.0017006674.

The spelling of 11239680 in words is "eleven million, two hundred thirty-nine thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 2927 3840 5854 8781 11708 14635 17562 23416 29270 35124 43905 46832 58540 70248 87810 93664 117080 140496 175620 187328 234160 280992 351240 374656 468320 561984 702480 749312 936640 1123968 1404960 1873280 2247936 2809920 3746560 5619840 11239680