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11679949 = 18316379
BaseRepresentation
bin101100100011…
…100011001101
3210222101212201
4230203203031
510442224244
61054201501
7201164221
oct54434315
923871781
1011679949
116658356
123ab3291
13255c418
1417a0781
15105aad4
hexb238cd

11679949 has 4 divisors (see below), whose sum is σ = 11688160. Its totient is φ = 11671740.

The previous prime is 11679947. The next prime is 11679959. The reversal of 11679949 is 94997611.

11679949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11679949 - 21 = 11679947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11679899 and 11679908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11679947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (2922040).

Almost surely, 211679949 is an apocalyptic number.

It is an amenable number.

11679949 is a deficient number, since it is larger than the sum of its proper divisors (8211).

11679949 is an equidigital number, since it uses as much as digits as its factorization.

11679949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210.

The product of its digits is 122472, while the sum is 46.

The square root of 11679949 is about 3417.5940367457. The cubic root of 11679949 is about 226.8891085743.

The spelling of 11679949 in words is "eleven million, six hundred seventy-nine thousand, nine hundred forty-nine".

Divisors: 1 1831 6379 11679949