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29030545 = 55806109
BaseRepresentation
bin110111010111…
…1100010010001
32000121220102101
41232233202101
524412434140
62514120401
7501520105
oct156574221
960556371
1029030545
1115429095
129880101
13602594b
143bd9905
15283699a
hex1baf891

29030545 has 4 divisors (see below), whose sum is σ = 34836660. Its totient is φ = 23224432.

The previous prime is 29030527. The next prime is 29030569. The reversal of 29030545 is 54503092.

It is a Cunningham number, because it is equal to 53882+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10445824 + 18584721 = 3232^2 + 4311^2 .

It is a cyclic number.

It is not a de Polignac number, because 29030545 - 213 = 29022353 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903050 + ... + 2903059.

It is an arithmetic number, because the mean of its divisors is an integer number (8709165).

Almost surely, 229030545 is an apocalyptic number.

It is an amenable number.

29030545 is a deficient number, since it is larger than the sum of its proper divisors (5806115).

29030545 is an equidigital number, since it uses as much as digits as its factorization.

29030545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806114.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 29030545 is about 5388.0000927988. Note that the first 4 decimals coincide. The cubic root of 29030545 is about 307.3395112914.

The spelling of 29030545 in words is "twenty-nine million, thirty thousand, five hundred forty-five".

Divisors: 1 5 5806109 29030545