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14808640 = 265711601
BaseRepresentation
bin111000011111…
…011001000000
31000212100122011
4320133121000
512242334030
61245222304
7236604610
oct70373100
930770564
1014808640
1183a4a50
124b61994
1330b6512
141d76a40
151477b2a
hexe1f640

14808640 has 112 divisors (see below), whose sum is σ = 44037504. Its totient is φ = 4608000.

The previous prime is 14808637. The next prime is 14808659. The reversal of 14808640 is 4680841.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24340 + ... + 24940.

It is an arithmetic number, because the mean of its divisors is an integer number (393192).

Almost surely, 214808640 is an apocalyptic number.

14808640 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 14808640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22018752).

14808640 is an abundant number, since it is smaller than the sum of its proper divisors (29228864).

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

14808640 is a wasteful number, since it uses less digits than its factorization.

14808640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 14808640 is about 3848.1995790239. The cubic root of 14808640 is about 245.5679728491.

The spelling of 14808640 in words is "fourteen million, eight hundred eight thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 140 154 160 176 220 224 280 308 320 352 385 440 448 560 601 616 704 770 880 1120 1202 1232 1540 1760 2240 2404 2464 3005 3080 3520 4207 4808 4928 6010 6160 6611 8414 9616 12020 12320 13222 16828 19232 21035 24040 24640 26444 33055 33656 38464 42070 46277 48080 52888 66110 67312 84140 92554 96160 105776 132220 134624 168280 185108 192320 211552 231385 264440 269248 336560 370216 423104 462770 528880 673120 740432 925540 1057760 1346240 1480864 1851080 2115520 2961728 3702160 7404320 14808640