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29914920 = 2334571319
BaseRepresentation
bin111001000011…
…1011100101000
32002021211120000
41302013130220
530124234140
62545103000
7512162340
oct162073450
962254500
1029914920
1115982582
12a027a60
136275349
143d89d20
15295da30
hex1c87728

29914920 has 160 divisors (see below), whose sum is σ = 114998400. Its totient is φ = 6832512.

The previous prime is 29914867. The next prime is 29914931. The reversal of 29914920 is 2941992.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22021 + ... + 23339.

It is an arithmetic number, because the mean of its divisors is an integer number (718740).

Almost surely, 229914920 is an apocalyptic number.

29914920 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 29914920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57499200).

29914920 is an abundant number, since it is smaller than the sum of its proper divisors (85083480).

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

29914920 is a wasteful number, since it uses less digits than its factorization.

29914920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 29914920 is about 5469.4533547696. The cubic root of 29914920 is about 310.4292354314.

The spelling of 29914920 in words is "twenty-nine million, nine hundred fourteen thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 81 84 90 105 108 120 126 135 140 162 168 180 189 210 216 252 270 280 315 324 360 378 405 420 504 540 567 630 648 756 810 840 945 1080 1134 1260 1319 1512 1620 1890 2268 2520 2638 2835 3240 3780 3957 4536 5276 5670 6595 7560 7914 9233 10552 11340 11871 13190 15828 18466 19785 22680 23742 26380 27699 31656 35613 36932 39570 46165 47484 52760 55398 59355 71226 73864 79140 83097 92330 94968 106839 110796 118710 138495 142452 158280 166194 178065 184660 213678 221592 237420 249291 276990 284904 332388 356130 369320 415485 427356 474840 498582 534195 553980 664776 712260 747873 830970 854712 997164 1068390 1107960 1246455 1424520 1495746 1661940 1994328 2136780 2492910 2991492 3323880 3739365 4273560 4985820 5982984 7478730 9971640 14957460 29914920