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14049840 = 243578363
BaseRepresentation
bin110101100110…
…001000110000
3222102210202110
4311212020300
512044043330
61221045320
7230264430
oct65461060
928383673
1014049840
117a26942
124856840
132bac01c
141c1a2c0
151377db0
hexd66230

14049840 has 80 divisors (see below), whose sum is σ = 49782528. Its totient is φ = 3211008.

The previous prime is 14049829. The next prime is 14049869. The reversal of 14049840 is 4894041.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a junction number, because it is equal to n+sod(n) for n = 14049798 and 14049807.

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, 2502 + ... + 5861.

Almost surely, 214049840 is an apocalyptic number.

14049840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14049840 is an abundant number, since it is smaller than the sum of its proper divisors (35732688).

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

14049840 is a wasteful number, since it uses less digits than its factorization.

14049840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386 (or 8380 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 14049840 is about 3748.3116199164. The cubic root of 14049840 is about 241.2998912450.

The spelling of 14049840 in words is "fourteen million, forty-nine thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 8363 16726 25089 33452 41815 50178 58541 66904 83630 100356 117082 125445 133808 167260 175623 200712 234164 250890 292705 334520 351246 401424 468328 501780 585410 669040 702492 878115 936656 1003560 1170820 1404984 1756230 2007120 2341640 2809968 3512460 4683280 7024920 14049840