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29045509 = 192715641
BaseRepresentation
bin110111011001…
…1001100000101
32000122122221121
41232303030011
524413424014
62514313541
7501611533
oct156631405
960578847
1029045509
1115439359
1298888b1
13602c6bc
143c01153
15283b124
hex1bb3305

29045509 has 8 divisors (see below), whose sum is σ = 30692480. Its totient is φ = 27410400.

The previous prime is 29045473. The next prime is 29045519. The reversal of 29045509 is 90554092.

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

It is a cyclic number.

It is not a de Polignac number, because 29045509 - 29 = 29044997 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 (29045519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2329 + ... + 7969.

It is an arithmetic number, because the mean of its divisors is an integer number (3836560).

Almost surely, 229045509 is an apocalyptic number.

It is an amenable number.

29045509 is a deficient number, since it is larger than the sum of its proper divisors (1646971).

29045509 is a wasteful number, since it uses less digits than its factorization.

29045509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 29045509 is about 5389.3885553001. The cubic root of 29045509 is about 307.3923089966.

The spelling of 29045509 in words is "twenty-nine million, forty-five thousand, five hundred nine".

Divisors: 1 19 271 5149 5641 107179 1528711 29045509