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14384820 = 2235475101
BaseRepresentation
bin110110110111…
…111010110100
31000001211021010
4312313322310
512140303240
61232152220
7233161152
oct66677264
930054233
1014384820
11813558a
124998670
132c98638
141ca63d2
1513e2280
hexdb7eb4

14384820 has 48 divisors (see below), whose sum is σ = 41142528. Its totient is φ = 3753600.

The previous prime is 14384819. The next prime is 14384861. The reversal of 14384820 is 2848341.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (857136).

Almost surely, 214384820 is an apocalyptic number.

14384820 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 14384820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20571264).

14384820 is an abundant number, since it is smaller than the sum of its proper divisors (26757708).

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

14384820 is a wasteful number, since it uses less digits than its factorization.

14384820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160 (or 5158 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 14384820 is about 3792.7325241836. The cubic root of 14384820 is about 243.2025610375.

The spelling of 14384820 in words is "fourteen million, three hundred eighty-four thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 5101 10202 15303 20404 25505 30606 51010 61212 76515 102020 153030 239747 306060 479494 719241 958988 1198735 1438482 2397470 2876964 3596205 4794940 7192410 14384820