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29691411 = 312298053
BaseRepresentation
bin111000101000…
…0111000010011
32001212110221220
41301100320103
530100111121
62540220123
7510241611
oct161207023
961773856
1029691411
111583a662
129b3a643
1361c76a9
143d2c6b1
1529176c6
hex1c50e13

29691411 has 8 divisors (see below), whose sum is σ = 39625680. Its totient is φ = 19775712.

The previous prime is 29691391. The next prime is 29691437. The reversal of 29691411 is 11419692.

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

It is not a de Polignac number, because 29691411 - 27 = 29691283 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (29691611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (4953210).

Almost surely, 229691411 is an apocalyptic number.

29691411 is a deficient number, since it is larger than the sum of its proper divisors (9934269).

29691411 is a wasteful number, since it uses less digits than its factorization.

29691411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285.

The product of its digits is 3888, while the sum is 33.

The square root of 29691411 is about 5448.9825655805. The cubic root of 29691411 is about 309.6541790520.

The spelling of 29691411 in words is "twenty-nine million, six hundred ninety-one thousand, four hundred eleven".

Divisors: 1 3 1229 3687 8053 24159 9897137 29691411