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29909000 = 2353112719
BaseRepresentation
bin111001000011…
…0000000001000
32002021112102202
41302012000020
530124042000
62545015332
7512136152
oct162060010
962245382
1029909000
1115979090
12a024548
136272744
143d87ad2
15295bdd5
hex1c86008

29909000 has 64 divisors (see below), whose sum is σ = 76377600. Its totient is φ = 10872000.

The previous prime is 29908999. The next prime is 29909051. The reversal of 29909000 is 90992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9641 + ... + 12359.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 229909000 is an apocalyptic number.

29909000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29909000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38188800).

29909000 is an abundant number, since it is smaller than the sum of its proper divisors (46468600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29909000 is a wasteful number, since it uses less digits than its factorization.

29909000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 29909000 is about 5468.9121404535. The cubic root of 29909000 is about 310.4087566612.

Adding to 29909000 its reverse (90992), we get a palindrome (29999992).

The spelling of 29909000 in words is "twenty-nine million, nine hundred nine thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2719 2750 5438 5500 10876 11000 13595 21752 27190 29909 54380 59818 67975 108760 119636 135950 149545 239272 271900 299090 339875 543800 598180 679750 747725 1196360 1359500 1495450 2719000 2990900 3738625 5981800 7477250 14954500 29909000