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20141219 = 7532332
BaseRepresentation
bin100110011010…
…1010010100011
31101220021120002
41030311102203
520124004334
61555410215
7333124520
oct114652243
941807502
1020141219
111040743a
1268b396b
1342327a7
142964147
151b7cb7e
hex13354a3

20141219 has 12 divisors (see below), whose sum is σ = 23553936. Its totient is φ = 16865472.

The previous prime is 20141207. The next prime is 20141221. The reversal of 20141219 is 91214102.

It is not a de Polignac number, because 20141219 - 24 = 20141203 is a prime.

It is a super-2 number, since 2×201412192 = 811337405611922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20141219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86327 + ... + 86559.

It is an arithmetic number, because the mean of its divisors is an integer number (1962828).

Almost surely, 220141219 is an apocalyptic number.

20141219 is a deficient number, since it is larger than the sum of its proper divisors (3412717).

20141219 is an frugal number, since it uses more digits than its factorization.

20141219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 20141219 is about 4487.8969462322. The cubic root of 20141219 is about 272.0791427355.

The spelling of 20141219 in words is "twenty million, one hundred forty-one thousand, two hundred nineteen".

Divisors: 1 7 53 233 371 1631 12349 54289 86443 380023 2877317 20141219