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29123065 = 517333361
BaseRepresentation
bin110111100011…
…0000111111001
32000210121100001
41233012013321
524423414230
62520113001
7502353616
oct157060771
960717301
1029123065
1115491654
129905761
136058aaa
143c2150d
1528540ca
hex1bc61f9

29123065 has 8 divisors (see below), whose sum is σ = 34978248. Its totient is φ = 23278080.

The previous prime is 29123051. The next prime is 29123077. The reversal of 29123065 is 56032192.

It can be written as a sum of positive squares in 4 ways, for example, as 4946176 + 24176889 = 2224^2 + 4917^2 .

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

It is not a de Polignac number, because 29123065 - 215 = 29090297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6985 + ... + 10345.

It is an arithmetic number, because the mean of its divisors is an integer number (4372281).

Almost surely, 229123065 is an apocalyptic number.

It is an amenable number.

29123065 is a deficient number, since it is larger than the sum of its proper divisors (5855183).

29123065 is a wasteful number, since it uses less digits than its factorization.

29123065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099.

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

The square root of 29123065 is about 5396.5790089648. The cubic root of 29123065 is about 307.6656608414.

The spelling of 29123065 in words is "twenty-nine million, one hundred twenty-three thousand, sixty-five".

Divisors: 1 5 1733 3361 8665 16805 5824613 29123065