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12241765 = 52818713
BaseRepresentation
bin101110101100…
…101101100101
3212000221112201
4232230231211
511113214030
61114214501
7206024164
oct56545545
925027481
1012241765
116a01468
124124431
1326c8063
1418a93db
15111c2ca
hexbacb65

12241765 has 8 divisors (see below), whose sum is σ = 14744088. Its totient is φ = 9757440.

The previous prime is 12241759. The next prime is 12241787. The reversal of 12241765 is 56714221.

It can be written as a sum of positive squares in 4 ways, for example, as 5303809 + 6937956 = 2303^2 + 2634^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12241765 - 215 = 12208997 is a prime.

It is a Duffinian number.

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, 2952 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (1843011).

Almost surely, 212241765 is an apocalyptic number.

It is an amenable number.

12241765 is a deficient number, since it is larger than the sum of its proper divisors (2502323).

12241765 is an equidigital number, since it uses as much as digits as its factorization.

12241765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999.

The product of its digits is 3360, while the sum is 28.

The square root of 12241765 is about 3498.8233736501. The cubic root of 12241765 is about 230.4701473189.

Adding to 12241765 its reverse (56714221), we get a palindrome (68955986).

The spelling of 12241765 in words is "twelve million, two hundred forty-one thousand, seven hundred sixty-five".

Divisors: 1 5 281 1405 8713 43565 2448353 12241765