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11839680 = 263254111
BaseRepresentation
bin101101001010…
…100011000000
3211021111222200
4231022203000
511012332210
61101433200
7202431006
oct55124300
924244880
1011839680
116757366
123b6b800
1325b7038
141802a76
15108d0c0
hexb4a8c0

11839680 has 84 divisors (see below), whose sum is σ = 40733472. Its totient is φ = 3156480.

The previous prime is 11839669. The next prime is 11839691. The reversal of 11839680 is 8693811.

It is an interprime number because it is at equal distance from previous prime (11839669) and next prime (11839691).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 825 + ... + 4935.

Almost surely, 211839680 is an apocalyptic number.

11839680 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 11839680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20366736).

11839680 is an abundant number, since it is smaller than the sum of its proper divisors (28893792).

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

11839680 is a wasteful number, since it uses less digits than its factorization.

11839680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134 (or 4121 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11839680 is about 3440.8836074474. The cubic root of 11839680 is about 227.9187152534.

The spelling of 11839680 in words is "eleven million, eight hundred thirty-nine thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 4111 8222 12333 16444 20555 24666 32888 36999 41110 49332 61665 65776 73998 82220 98664 123330 131552 147996 164440 184995 197328 246660 263104 295992 328880 369990 394656 493320 591984 657760 739980 789312 986640 1183968 1315520 1479960 1973280 2367936 2959920 3946560 5919840 11839680