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29260217 = 729144139
BaseRepresentation
bin110111110011…
…1100110111001
32001001120110202
41233213212321
524442311332
62523051545
7503464520
oct157474671
961046422
1029260217
11155756a8
129970bb5
1360a634c
143c594b7
15287ea62
hex1be79b9

29260217 has 8 divisors (see below), whose sum is σ = 34593600. Its totient is φ = 24215184.

The previous prime is 29260207. The next prime is 29260223. The reversal of 29260217 is 71206292.

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

It is not a de Polignac number, because 29260217 - 24 = 29260201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29260217.

It is not an unprimeable number, because it can be changed into a prime (29260207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71867 + ... + 72272.

It is an arithmetic number, because the mean of its divisors is an integer number (4324200).

Almost surely, 229260217 is an apocalyptic number.

It is an amenable number.

29260217 is a deficient number, since it is larger than the sum of its proper divisors (5333383).

29260217 is a wasteful number, since it uses less digits than its factorization.

29260217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144175.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 29260217 is about 5409.2713927109. The cubic root of 29260217 is about 308.1478776316.

The spelling of 29260217 in words is "twenty-nine million, two hundred sixty thousand, two hundred seventeen".

Divisors: 1 7 29 203 144139 1008973 4180031 29260217