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29663043 = 39887681
BaseRepresentation
bin111000100100…
…1111101000011
32001211001001020
41301021331003
530043204133
62535440523
7510063114
oct161117503
961731036
1029663043
1115820313
129b26143
1361b77c7
143d2220b
15290e0b3
hex1c49f43

29663043 has 4 divisors (see below), whose sum is σ = 39550728. Its totient is φ = 19775360.

The previous prime is 29662961. The next prime is 29663059. The reversal of 29663043 is 34036692.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29663043 - 216 = 29597507 is a prime.

It is a super-2 number, since 2×296630432 = 1759792240039698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29662995 and 29663013.

It is not an unprimeable number, because it can be changed into a prime (29663083) 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, 4943838 + ... + 4943843.

It is an arithmetic number, because the mean of its divisors is an integer number (9887682).

Almost surely, 229663043 is an apocalyptic number.

29663043 is a deficient number, since it is larger than the sum of its proper divisors (9887685).

29663043 is an equidigital number, since it uses as much as digits as its factorization.

29663043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9887684.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 29663043 is about 5446.3788887664. The cubic root of 29663043 is about 309.5555302225. Note that the first 4 decimals are identical.

The spelling of 29663043 in words is "twenty-nine million, six hundred sixty-three thousand, forty-three".

Divisors: 1 3 9887681 29663043