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14478120 = 23325131307
BaseRepresentation
bin110111001110…
…101100101000
31000020120020200
4313032230220
512201244440
61234152200
7234030156
oct67165450
930216220
1014478120
118199698
124a22660
132ccbc47
141ccc3d6
15140ec30
hexdceb28

14478120 has 96 divisors (see below), whose sum is σ = 47567520. Its totient is φ = 3818880.

The previous prime is 14478119. The next prime is 14478131. The reversal of 14478120 is 2187441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47007 + ... + 47313.

It is an arithmetic number, because the mean of its divisors is an integer number (495495).

Almost surely, 214478120 is an apocalyptic number.

14478120 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 14478120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23783760).

14478120 is an abundant number, since it is smaller than the sum of its proper divisors (33089400).

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

14478120 is a wasteful number, since it uses less digits than its factorization.

14478120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 14478120 is about 3805.0124835538. The cubic root of 14478120 is about 243.7272325875.

The spelling of 14478120 in words is "fourteen million, four hundred seventy-eight thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 131 180 262 307 360 393 524 614 655 786 921 1048 1179 1228 1310 1535 1572 1842 1965 2358 2456 2620 2763 3070 3144 3684 3930 4605 4716 5240 5526 5895 6140 7368 7860 9210 9432 11052 11790 12280 13815 15720 18420 22104 23580 27630 36840 40217 47160 55260 80434 110520 120651 160868 201085 241302 321736 361953 402170 482604 603255 723906 804340 965208 1206510 1447812 1608680 1809765 2413020 2895624 3619530 4826040 7239060 14478120