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11720006 = 212134831
BaseRepresentation
bin101100101101…
…010101000110
3211001102211022
4230231111012
511000020011
61055111142
7201422054
oct54552506
924042738
1011720006
116685461
123b124b2
13257471c
1417b11d4
1510678db
hexb2d546

11720006 has 8 divisors (see below), whose sum is σ = 17598144. Its totient is φ = 5853960.

The previous prime is 11719999. The next prime is 11720029. The reversal of 11720006 is 60002711.

It is a happy number.

11720006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (2199768).

Almost surely, 211720006 is an apocalyptic number.

11720006 is a deficient number, since it is larger than the sum of its proper divisors (5878138).

11720006 is a wasteful number, since it uses less digits than its factorization.

11720006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11720006 is about 3423.4494300340. The cubic root of 11720006 is about 227.1481886709.

Adding to 11720006 its reverse (60002711), we get a palindrome (71722717).

The spelling of 11720006 in words is "eleven million, seven hundred twenty thousand, six".

Divisors: 1 2 1213 2426 4831 9662 5860003 11720006