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14866140 = 2235247769
BaseRepresentation
bin111000101101…
…011011011100
31000222021111210
4320231123130
512301204030
61250344420
7240234342
oct70553334
930867453
1014866140
118434173
124b8b110
133106743
141d8d992
151489bb0
hexe2d6dc

14866140 has 24 divisors (see below), whose sum is σ = 41625360. Its totient is φ = 3964288.

The previous prime is 14866133. The next prime is 14866157. The reversal of 14866140 is 4166841.

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 = 14866098 and 14866107.

It is a congruent number.

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, 123825 + ... + 123944.

It is an arithmetic number, because the mean of its divisors is an integer number (1734390).

Almost surely, 214866140 is an apocalyptic number.

14866140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14866140 is an abundant number, since it is smaller than the sum of its proper divisors (26759220).

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

14866140 is a wasteful number, since it uses less digits than its factorization.

14866140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247781 (or 247779 counting only the distinct ones).

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

The square root of 14866140 is about 3855.6633670485. The cubic root of 14866140 is about 245.8853984013.

It can be divided in two parts, 1486 and 6140, that added together give a triangular number (7626 = T123).

The spelling of 14866140 in words is "fourteen million, eight hundred sixty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 247769 495538 743307 991076 1238845 1486614 2477690 2973228 3716535 4955380 7433070 14866140