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14666420 = 225733321
BaseRepresentation
bin110111111100…
…101010110100
31000121010112202
4313330222310
512223311140
61242204032
7235443146
oct67745264
930533482
1014666420
11830810a
124ab3618
133066872
141d3ac96
15144a915
hexdfcab4

14666420 has 12 divisors (see below), whose sum is σ = 30799524. Its totient is φ = 5866560.

The previous prime is 14666417. The next prime is 14666437. The reversal of 14666420 is 2466641.

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 13118884 = 1244^2 + 3622^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366641 + ... + 366680.

It is an arithmetic number, because the mean of its divisors is an integer number (2566627).

Almost surely, 214666420 is an apocalyptic number.

14666420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14666420 is an abundant number, since it is smaller than the sum of its proper divisors (16133104).

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

14666420 is a wasteful number, since it uses less digits than its factorization.

14666420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733330 (or 733328 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 14666420 is about 3829.6762265236. The cubic root of 14666420 is about 244.7793098053.

It can be divided in two parts, 146 and 66420, that added together give a palindrome (66566).

The spelling of 14666420 in words is "fourteen million, six hundred sixty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 733321 1466642 2933284 3666605 7333210 14666420