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29983100 = 22527229211
BaseRepresentation
bin111001001100…
…0000101111100
32002102022002012
41302120011330
530133424400
62550350352
7512565200
oct162300574
962368065
1029983100
1115a19824
12a05b3b8
13629a3a4
143da6b00
152973d35
hex1c9817c

29983100 has 108 divisors (see below), whose sum is σ = 78666840. Its totient is φ = 9878400.

The previous prime is 29983097. The next prime is 29983111. The reversal of 29983100 is 138992.

It is a super-2 number, since 2×299831002 = 1797972571220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141995 + ... + 142205.

Almost surely, 229983100 is an apocalyptic number.

29983100 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 29983100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39333420).

29983100 is an abundant number, since it is smaller than the sum of its proper divisors (48683740).

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

29983100 is a wasteful number, since it uses less digits than its factorization.

29983100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 29983100 is about 5475.6826058492. The cubic root of 29983100 is about 310.6648927142.

The spelling of 29983100 in words is "twenty-nine million, nine hundred eighty-three thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 29 35 49 50 58 70 98 100 116 140 145 175 196 203 211 245 290 350 406 422 490 580 700 725 812 844 980 1015 1055 1225 1421 1450 1477 2030 2110 2450 2842 2900 2954 4060 4220 4900 5075 5275 5684 5908 6119 7105 7385 10150 10339 10550 12238 14210 14770 20300 20678 21100 24476 28420 29540 30595 35525 36925 41356 42833 51695 61190 71050 73850 85666 103390 122380 142100 147700 152975 171332 206780 214165 258475 299831 305950 428330 516950 599662 611900 856660 1033900 1070825 1199324 1499155 2141650 2998310 4283300 5996620 7495775 14991550 29983100