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14243980 = 225712199
BaseRepresentation
bin110110010101…
…100010001100
3222210200001211
4312111202030
512121301410
61225144204
7232033432
oct66254214
928720054
1014243980
118049793
12492b064
132c494ba
141c6ad52
1513b568a
hexd9588c

14243980 has 12 divisors (see below), whose sum is σ = 29912400. Its totient is φ = 5697584.

The previous prime is 14243951. The next prime is 14243993. The reversal of 14243980 is 8934241.

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 3 ways as a sum of consecutive naturals, for example, 356080 + ... + 356119.

It is an arithmetic number, because the mean of its divisors is an integer number (2492700).

Almost surely, 214243980 is an apocalyptic number.

14243980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14243980 is an abundant number, since it is smaller than the sum of its proper divisors (15668420).

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

14243980 is a wasteful number, since it uses less digits than its factorization.

14243980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712208 (or 712206 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 14243980 is about 3774.1197649253. The cubic root of 14243980 is about 242.4062343410.

The spelling of 14243980 in words is "fourteen million, two hundred forty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 712199 1424398 2848796 3560995 7121990 14243980