Search a number
-
+
14000784 = 243741669
BaseRepresentation
bin110101011010…
…001010010000
3222100022110120
4311122022100
512041011114
61220030240
7230001420
oct65321220
928308416
1014000784
1179a2aa6
124832380
132b928b5
141c06480
1513685a9
hexd5a290

14000784 has 40 divisors (see below), whose sum is σ = 41336640. Its totient is φ = 4000128.

The previous prime is 14000771. The next prime is 14000801. The reversal of 14000784 is 48700041.

14000784 = 1302 + 1312 + ... + 3532.

It is a super-3 number, since 3×140007843 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20499 + ... + 21170.

It is an arithmetic number, because the mean of its divisors is an integer number (1033416).

Almost surely, 214000784 is an apocalyptic number.

14000784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14000784 is an abundant number, since it is smaller than the sum of its proper divisors (27335856).

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

14000784 is a wasteful number, since it uses less digits than its factorization.

14000784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41687 (or 41681 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 14000784 is about 3741.7621517141. The cubic root of 14000784 is about 241.0187252658.

The spelling of 14000784 in words is "fourteen million, seven hundred eighty-four", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 41669 83338 125007 166676 250014 291683 333352 500028 583366 666704 875049 1000056 1166732 1750098 2000112 2333464 3500196 4666928 7000392 14000784