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29664911 = 50775843
BaseRepresentation
bin111000100101…
…0011010001111
32001211010121102
41301022122033
530043234121
62535453315
7510101423
oct161123217
961733542
1029664911
1115821761
129b2723b
1361b8603
143d22b83
15290e90b
hex1c4a68f

29664911 has 4 divisors (see below), whose sum is σ = 29675832. Its totient is φ = 29653992.

The previous prime is 29664907. The next prime is 29664913. The reversal of 29664911 is 11946692.

It is a semiprime because it is the product of two primes, 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 29664911 - 22 = 29664907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29664913) 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, 2156 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (7418958).

Almost surely, 229664911 is an apocalyptic number.

29664911 is a deficient number, since it is larger than the sum of its proper divisors (10921).

29664911 is an equidigital number, since it uses as much as digits as its factorization.

29664911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920.

The product of its digits is 23328, while the sum is 38.

The square root of 29664911 is about 5446.5503761555. The cubic root of 29664911 is about 309.5620280678.

The spelling of 29664911 in words is "twenty-nine million, six hundred sixty-four thousand, nine hundred eleven".

Divisors: 1 5077 5843 29664911