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29001205 = 55800241
BaseRepresentation
bin110111010100…
…0010111110101
32000120102011201
41232220113311
524411014310
62513332501
7501335422
oct156502765
960512151
1029001205
1115409042
129867131
13601549c
143bccd49
15282ce3a
hex1ba85f5

29001205 has 4 divisors (see below), whose sum is σ = 34801452. Its totient is φ = 23200960.

The previous prime is 29001199. The next prime is 29001233. The reversal of 29001205 is 50210092.

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 21743569 + 7257636 = 4663^2 + 2694^2 .

It is not a de Polignac number, because 29001205 - 215 = 28968437 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2900116 + ... + 2900125.

It is an arithmetic number, because the mean of its divisors is an integer number (8700363).

Almost surely, 229001205 is an apocalyptic number.

It is an amenable number.

29001205 is a deficient number, since it is larger than the sum of its proper divisors (5800247).

29001205 is an equidigital number, since it uses as much as digits as its factorization.

29001205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800246.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 29001205 is about 5385.2766874136. The cubic root of 29001205 is about 307.2359378450.

Adding to 29001205 its reverse (50210092), we get a palindrome (79211297).

The spelling of 29001205 in words is "twenty-nine million, one thousand, two hundred five".

Divisors: 1 5 5800241 29001205