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29130055 = 57018311
BaseRepresentation
bin110111100011…
…1110101000111
32000210221220221
41233013311013
524424130210
62520205211
7502413163
oct157076507
960727827
1029130055
1115496929
129909807
13605c026
143c23ca3
1528561da
hex1bc7d47

29130055 has 8 divisors (see below), whose sum is σ = 35010144. Its totient is φ = 23268000.

The previous prime is 29130053. The next prime is 29130107. The reversal of 29130055 is 55003192.

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

It is not a de Polignac number, because 29130055 - 21 = 29130053 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 (29130053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (4376268).

Almost surely, 229130055 is an apocalyptic number.

29130055 is a deficient number, since it is larger than the sum of its proper divisors (5880089).

29130055 is an equidigital number, since it uses as much as digits as its factorization.

29130055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 29130055 is about 5397.2266026173. The cubic root of 29130055 is about 307.6902737606.

The spelling of 29130055 in words is "twenty-nine million, one hundred thirty thousand, fifty-five".

Divisors: 1 5 701 3505 8311 41555 5826011 29130055