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14991120 = 2432547443
BaseRepresentation
bin111001001011…
…111100010000
31001012121221200
4321023330100
512314203440
61253151200
7241264614
oct71137420
931177850
1014991120
11850a061
12502b500
13314b5b1
141dc3344
1514b1c30
hexe4bf10

14991120 has 120 divisors (see below), whose sum is σ = 51532416. Its totient is φ = 3903744.

The previous prime is 14991107. The next prime is 14991121. The reversal of 14991120 is 2119941.

14991120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (14991121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33619 + ... + 34061.

Almost surely, 214991120 is an apocalyptic number.

14991120 is a gapful number since it is divisible by the number (10) 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 14991120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25766208).

14991120 is an abundant number, since it is smaller than the sum of its proper divisors (36541296).

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

14991120 is a wasteful number, since it uses less digits than its factorization.

14991120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 14991120 is about 3871.8367734190. The cubic root of 14991120 is about 246.5725312414.

The spelling of 14991120 in words is "fourteen million, nine hundred ninety-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 47 48 60 72 80 90 94 120 141 144 180 188 235 240 282 360 376 423 443 470 564 705 720 752 846 886 940 1128 1329 1410 1692 1772 1880 2115 2215 2256 2658 2820 3384 3544 3760 3987 4230 4430 5316 5640 6645 6768 7088 7974 8460 8860 10632 11280 13290 15948 16920 17720 19935 20821 21264 26580 31896 33840 35440 39870 41642 53160 62463 63792 79740 83284 104105 106320 124926 159480 166568 187389 208210 249852 312315 318960 333136 374778 416420 499704 624630 749556 832840 936945 999408 1249260 1499112 1665680 1873890 2498520 2998224 3747780 4997040 7495560 14991120