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14620140 = 2232581223
BaseRepresentation
bin110111110001…
…010111101100
31000111210001200
4313301113230
512220321030
61241205500
7235161213
oct67612754
930453050
1014620140
118286367
124a90890
13304b792
141d2807a
15143bd60
hexdf15ec

14620140 has 36 divisors (see below), whose sum is σ = 44348304. Its totient is φ = 3898656.

The previous prime is 14620121. The next prime is 14620163. The reversal of 14620140 is 4102641.

14620140 is a `hidden beast` number, since 1 + 4 + 620 + 1 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40432 + ... + 40791.

Almost surely, 214620140 is an apocalyptic number.

14620140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14620140 is an abundant number, since it is smaller than the sum of its proper divisors (29728164).

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

14620140 is a wasteful number, since it uses less digits than its factorization.

14620140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81238 (or 81233 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 14620140 is about 3823.6291661195. The cubic root of 14620140 is about 244.5215708571.

Adding to 14620140 its reverse (4102641), we get a palindrome (18722781).

The spelling of 14620140 in words is "fourteen million, six hundred twenty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 81223 162446 243669 324892 406115 487338 731007 812230 974676 1218345 1462014 1624460 2436690 2924028 3655035 4873380 7310070 14620140