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12441420 = 2232569119
BaseRepresentation
bin101111011101…
…011101001100
3212102002102100
4233131131030
511141111140
61122355100
7210515235
oct57353514
925362370
1012441420
117028472
1241bba90
132767bb4
14191c08c
15115b530
hexbdd74c

12441420 has 36 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 3317664.

The previous prime is 12441419. The next prime is 12441421. The reversal of 12441420 is 2414421.

12441420 is a `hidden beast` number, since 1 + 244 + 1 + 420 = 666.

It is an interprime number because it is at equal distance from previous prime (12441419) and next prime (12441421).

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 a junction number, because it is equal to n+sod(n) for n = 12441393 and 12441402.

It is not an unprimeable number, because it can be changed into a prime (12441421) 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, 34380 + ... + 34739.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 212441420 is an apocalyptic number.

12441420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12441420 is an abundant number, since it is smaller than the sum of its proper divisors (25298100).

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

12441420 is a wasteful number, since it uses less digits than its factorization.

12441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69134 (or 69129 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12441420 is about 3527.2397139973. The cubic root of 12441420 is about 231.7163348354.

Adding to 12441420 its reverse (2414421), we get a palindrome (14855841).

The spelling of 12441420 in words is "twelve million, four hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 69119 138238 207357 276476 345595 414714 622071 691190 829428 1036785 1244142 1382380 2073570 2488284 3110355 4147140 6220710 12441420