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29706041 = 231291567
BaseRepresentation
bin111000101010…
…0011100111001
32001220020000202
41301110130321
530101043131
62540411545
7510332351
oct161243471
961806022
1029706041
111584a652
129b46bb5
136201251
143d33b61
15291bbcb
hex1c54739

29706041 has 4 divisors (see below), whose sum is σ = 30997632. Its totient is φ = 28414452.

The previous prime is 29706037. The next prime is 29706043. The reversal of 29706041 is 14060792.

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 29706041 - 22 = 29706037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29705995 and 29706013.

It is not an unprimeable number, because it can be changed into a prime (29706043) 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, 645761 + ... + 645806.

It is an arithmetic number, because the mean of its divisors is an integer number (7749408).

Almost surely, 229706041 is an apocalyptic number.

It is an amenable number.

29706041 is a deficient number, since it is larger than the sum of its proper divisors (1291591).

29706041 is a wasteful number, since it uses less digits than its factorization.

29706041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291590.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 29706041 is about 5450.3248527037. The cubic root of 29706041 is about 309.7050298606.

The spelling of 29706041 in words is "twenty-nine million, seven hundred six thousand, forty-one".

Divisors: 1 23 1291567 29706041