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11726490 = 235390883
BaseRepresentation
bin101100101110…
…111010011010
3211001202201110
4230232322122
511000221430
61055201150
7201450006
oct54567232
924052643
1011726490
11668a316
123b161b6
132577669
1417b3706
1510697b0
hexb2ee9a

11726490 has 16 divisors (see below), whose sum is σ = 28143648. Its totient is φ = 3127056.

The previous prime is 11726483. The next prime is 11726497. The reversal of 11726490 is 9462711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11726483) and next prime (11726497).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 390883 = 11726490 / (1 + 1 + 7 + 2 + 6 + 4 + 9 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11726497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195412 + ... + 195471.

It is an arithmetic number, because the mean of its divisors is an integer number (1758978).

Almost surely, 211726490 is an apocalyptic number.

11726490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11726490 is an abundant number, since it is smaller than the sum of its proper divisors (16417158).

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

11726490 is a wasteful number, since it uses less digits than its factorization.

11726490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390893.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 11726490 is about 3424.3962971595. The cubic root of 11726490 is about 227.1900702572.

The spelling of 11726490 in words is "eleven million, seven hundred twenty-six thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 390883 781766 1172649 1954415 2345298 3908830 5863245 11726490