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29268900 = 223252171913
BaseRepresentation
bin110111110100…
…1101110100100
32001002000101100
41233221232210
524443101100
62523200100
7503532033
oct157515644
961060340
1029268900
1115581181
129976030
1360aa29b
143c5c71a
152882400
hex1be9ba4

29268900 has 108 divisors (see below), whose sum is σ = 97189092. Its totient is φ = 7342080.

The previous prime is 29268893. The next prime is 29268901. The reversal of 29268900 is 986292.

It can be written as a sum of positive squares in 6 ways, for example, as 1327104 + 27941796 = 1152^2 + 5286^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (29268901) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14344 + ... + 16256.

It is an arithmetic number, because the mean of its divisors is an integer number (899899).

Almost surely, 229268900 is an apocalyptic number.

29268900 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 29268900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48594546).

29268900 is an abundant number, since it is smaller than the sum of its proper divisors (67920192).

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

29268900 is a wasteful number, since it uses less digits than its factorization.

29268900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 29268900 is about 5410.0739366482. The cubic root of 29268900 is about 308.1783556853.

The spelling of 29268900 in words is "twenty-nine million, two hundred sixty-eight thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 25 30 34 36 45 50 51 60 68 75 85 90 100 102 150 153 170 180 204 225 255 300 306 340 425 450 510 612 765 850 900 1020 1275 1530 1700 1913 2550 3060 3825 3826 5100 5739 7650 7652 9565 11478 15300 17217 19130 22956 28695 32521 34434 38260 47825 57390 65042 68868 86085 95650 97563 114780 130084 143475 162605 172170 191300 195126 286950 292689 325210 344340 390252 430425 487815 573900 585378 650420 813025 860850 975630 1170756 1463445 1626050 1721700 1951260 2439075 2926890 3252100 4878150 5853780 7317225 9756300 14634450 29268900