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11660490 = 2335192273
BaseRepresentation
bin101100011110…
…110011001010
3210221102012000
4230132303022
510441113430
61053531430
7201053412
oct54366312
923842160
1011660490
116644776
123aa3b76
1325535ca
141797642
151054e60
hexb1ecca

11660490 has 64 divisors (see below), whose sum is σ = 32745600. Its totient is φ = 2944512.

The previous prime is 11660489. The next prime is 11660491. The reversal of 11660490 is 9406611.

11660490 is a `hidden beast` number, since 116 + 60 + 490 = 666.

It is an interprime number because it is at equal distance from previous prime (11660489) and next prime (11660491).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11660491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3994 + ... + 6266.

It is an arithmetic number, because the mean of its divisors is an integer number (511650).

Almost surely, 211660490 is an apocalyptic number.

11660490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11660490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16372800).

11660490 is an abundant number, since it is smaller than the sum of its proper divisors (21085110).

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

11660490 is a wasteful number, since it uses less digits than its factorization.

11660490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11660490 is about 3414.7459641970. The cubic root of 11660490 is about 226.7630381243.

It can be divided in two parts, 116 and 60490, that added together give a palindrome (60606).

The spelling of 11660490 in words is "eleven million, six hundred sixty thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 90 95 114 135 171 190 270 285 342 513 570 855 1026 1710 2273 2565 4546 5130 6819 11365 13638 20457 22730 34095 40914 43187 61371 68190 86374 102285 122742 129561 204570 215935 259122 306855 388683 431870 613710 647805 777366 1166049 1295610 1943415 2332098 3886830 5830245 11660490