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29884120 = 2357279193
BaseRepresentation
bin111000111111…
…1111011011000
32002020021022021
41301333323120
530122242440
62544304224
7512003500
oct161777330
962207267
1029884120
1115961422
12a012074
136264316
143d7ca00
15295484a
hex1c7fed8

29884120 has 96 divisors (see below), whose sum is σ = 79617600. Its totient is φ = 10063872.

The previous prime is 29884117. The next prime is 29884133. The reversal of 29884120 is 2148892.

29884120 = T379 + T380 + ... + T615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154744 + ... + 154936.

It is an arithmetic number, because the mean of its divisors is an integer number (829350).

Almost surely, 229884120 is an apocalyptic number.

29884120 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 29884120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39808800).

29884120 is an abundant number, since it is smaller than the sum of its proper divisors (49733480).

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

29884120 is a wasteful number, since it uses less digits than its factorization.

29884120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 29884120 is about 5466.6369917894. The cubic root of 29884120 is about 310.3226609228.

The spelling of 29884120 in words is "twenty-nine million, eight hundred eighty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 79 98 140 158 193 196 245 280 316 386 392 395 490 553 632 772 790 965 980 1106 1351 1544 1580 1930 1960 2212 2702 2765 3160 3860 3871 4424 5404 5530 6755 7720 7742 9457 10808 11060 13510 15247 15484 18914 19355 22120 27020 30494 30968 37828 38710 47285 54040 60988 75656 76235 77420 94570 106729 121976 152470 154840 189140 213458 304940 378280 426916 533645 609880 747103 853832 1067290 1494206 2134580 2988412 3735515 4269160 5976824 7471030 14942060 29884120