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11780608 = 29719173
BaseRepresentation
bin101100111100…
…001000000000
3211011111221211
4230330020000
511003434413
61100255504
7202063540
oct54741000
924144854
1011780608
116716a44
123b41594
132596198
1417c9320
15107a83d
hexb3c200

11780608 has 80 divisors (see below), whose sum is σ = 28480320. Its totient is φ = 4755456.

The previous prime is 11780599. The next prime is 11780617. The reversal of 11780608 is 80608711.

It is an interprime number because it is at equal distance from previous prime (11780599) and next prime (11780617).

It is a self number, because there is not a number n which added to its sum of digits gives 11780608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68010 + ... + 68182.

It is an arithmetic number, because the mean of its divisors is an integer number (356004).

Almost surely, 211780608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11780608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14240160).

11780608 is an abundant number, since it is smaller than the sum of its proper divisors (16699712).

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

11780608 is an equidigital number, since it uses as much as digits as its factorization.

11780608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 11780608 is about 3432.2890321184. The cubic root of 11780608 is about 227.5390296520.

The spelling of 11780608 in words is "eleven million, seven hundred eighty thousand, six hundred eight".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 128 133 152 173 224 256 266 304 346 448 512 532 608 692 896 1064 1211 1216 1384 1792 2128 2422 2432 2768 3287 3584 4256 4844 4864 5536 6574 8512 9688 9728 11072 13148 17024 19376 22144 23009 26296 34048 38752 44288 46018 52592 68096 77504 88576 92036 105184 155008 184072 210368 310016 368144 420736 620032 736288 841472 1472576 1682944 2945152 5890304 11780608