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29263105 = 521292749
BaseRepresentation
bin110111110100…
…0010100000001
32001001201102201
41233220110001
524442404410
62523113201
7503506114
oct157502401
961051381
1029263105
1115577893
129972801
1360a7761
143c5a57b
15288083a
hex1be8501

29263105 has 8 divisors (see below), whose sum is σ = 35145000. Its totient is φ = 23390976.

The previous prime is 29263043. The next prime is 29263133. The reversal of 29263105 is 50136292.

It can be written as a sum of positive squares in 4 ways, for example, as 16641 + 29246464 = 129^2 + 5408^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29263105 - 215 = 29230337 is a prime.

It is an unprimeable number.

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, 9271 + ... + 12019.

It is an arithmetic number, because the mean of its divisors is an integer number (4393125).

Almost surely, 229263105 is an apocalyptic number.

It is an amenable number.

29263105 is a deficient number, since it is larger than the sum of its proper divisors (5881895).

29263105 is a wasteful number, since it uses less digits than its factorization.

29263105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 29263105 is about 5409.5383352001. The cubic root of 29263105 is about 308.1580154214.

Adding to 29263105 its reverse (50136292), we get a palindrome (79399397).

The spelling of 29263105 in words is "twenty-nine million, two hundred sixty-three thousand, one hundred five".

Divisors: 1 5 2129 2749 10645 13745 5852621 29263105