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29005069 = 181191839
BaseRepresentation
bin110111010100…
…1010100001101
32000120121110211
41232221110031
524411130234
62513402421
7501352612
oct156512415
960517424
1029005069
1115410a35
129869411
136017182
143bd0509
15282e164
hex1ba950d

29005069 has 8 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 28659600.

The previous prime is 29005033. The next prime is 29005099. The reversal of 29005069 is 96050092.

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 29005069 - 211 = 29003021 is a prime.

It is a super-2 number, since 2×290050692 = 1682588055389522, which contains 22 as substring.

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 29005069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29005019) 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, 34152 + ... + 34990.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 229005069 is an apocalyptic number.

It is an amenable number.

29005069 is a deficient number, since it is larger than the sum of its proper divisors (347891).

29005069 is a wasteful number, since it uses less digits than its factorization.

29005069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 29005069 is about 5385.6354314045. The cubic root of 29005069 is about 307.2495821855.

The spelling of 29005069 in words is "twenty-nine million, five thousand, sixty-nine".

Divisors: 1 181 191 839 34571 151859 160249 29005069