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11720298 = 231953383
BaseRepresentation
bin101100101101…
…011001101010
3211001110020010
4230231121222
511000022143
61055112350
7201422652
oct54553152
924043203
1011720298
1166856a7
123b126b6
1325748b5
1417b1362
151067a33
hexb2d66a

11720298 has 8 divisors (see below), whose sum is σ = 23440608. Its totient is φ = 3906764.

The previous prime is 11720297. The next prime is 11720323. The reversal of 11720298 is 89202711.

It is a sphenic number, since it is the product of 3 distinct primes.

11720298 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11720297) 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 3 ways as a sum of consecutive naturals, for example, 976686 + ... + 976697.

It is an arithmetic number, because the mean of its divisors is an integer number (2930076).

Almost surely, 211720298 is an apocalyptic number.

11720298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11720298 is a wasteful number, since it uses less digits than its factorization.

11720298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953388.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11720298 is about 3423.4920768128. The cubic root of 11720298 is about 227.1500750954.

The spelling of 11720298 in words is "eleven million, seven hundred twenty thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 1953383 3906766 5860149 11720298