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29189000 = 2353172101
BaseRepresentation
bin110111101011…
…0001110001000
32000220221210002
41233112032020
524433022000
62521342132
7503050061
oct157261610
960827702
1029189000
1115527145
129937948
13607cac9
143c3b568
1528688d5
hex1bd6388

29189000 has 96 divisors (see below), whose sum is σ = 73274760. Its totient is φ = 10880000.

The previous prime is 29188987. The next prime is 29189003. The reversal of 29189000 is 98192.

It can be written as a sum of positive squares in 12 ways, for example, as 3928324 + 25260676 = 1982^2 + 5026^2 .

It is not an unprimeable number, because it can be changed into a prime (29189003) 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 23 ways as a sum of consecutive naturals, for example, 288950 + ... + 289050.

Almost surely, 229189000 is an apocalyptic number.

29189000 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 29189000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36637380).

29189000 is an abundant number, since it is smaller than the sum of its proper divisors (44085760).

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

29189000 is a wasteful number, since it uses less digits than its factorization.

29189000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 29189000 is about 5402.6845179040. The cubic root of 29189000 is about 307.8976721970.

The spelling of 29189000 in words is "twenty-nine million, one hundred eighty-nine thousand".

Divisors: 1 2 4 5 8 10 17 20 25 34 40 50 68 85 100 101 125 136 170 200 202 250 289 340 404 425 500 505 578 680 808 850 1000 1010 1156 1445 1700 1717 2020 2125 2312 2525 2890 3400 3434 4040 4250 5050 5780 6868 7225 8500 8585 10100 11560 12625 13736 14450 17000 17170 20200 25250 28900 29189 34340 36125 42925 50500 57800 58378 68680 72250 85850 101000 116756 144500 145945 171700 214625 233512 289000 291890 343400 429250 583780 729725 858500 1167560 1459450 1717000 2918900 3648625 5837800 7297250 14594500 29189000