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11690961 = 33896987
BaseRepresentation
bin101100100110…
…001111010001
3210222221222120
4230212033101
510443102321
61054324453
7201241302
oct54461721
923887876
1011690961
116665657
123ab9729
132564439
1417a47a9
15105dec6
hexb263d1

11690961 has 4 divisors (see below), whose sum is σ = 15587952. Its totient is φ = 7793972.

The previous prime is 11690957. The next prime is 11690977. The reversal of 11690961 is 16909611.

11690961 is digitally balanced in base 2 and base 4, because in such bases 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.

It is a cyclic number.

It is not a de Polignac number, because 11690961 - 22 = 11690957 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11690981) 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, 1948491 + ... + 1948496.

It is an arithmetic number, because the mean of its divisors is an integer number (3896988).

Almost surely, 211690961 is an apocalyptic number.

It is an amenable number.

11690961 is a deficient number, since it is larger than the sum of its proper divisors (3896991).

11690961 is an equidigital number, since it uses as much as digits as its factorization.

11690961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896990.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 11690961 is about 3419.2047320978. The cubic root of 11690961 is about 226.9603907938.

The spelling of 11690961 in words is "eleven million, six hundred ninety thousand, nine hundred sixty-one".

Divisors: 1 3 3896987 11690961