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12210641 = 171315483
BaseRepresentation
bin101110100101…
…000111010001
3211222100211222
4232211013101
511111220031
61113414425
7205534352
oct56450721
924870758
1012210641
116990043
12410a415
1326b6b41
14189bd29
151112e7b
hexba51d1

12210641 has 8 divisors (see below), whose sum is σ = 13029984. Its totient is φ = 11402560.

The previous prime is 12210619. The next prime is 12210659. The reversal of 12210641 is 14601221.

12210641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12210641 - 26 = 12210577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (1628748).

Almost surely, 212210641 is an apocalyptic number.

It is an amenable number.

12210641 is a deficient number, since it is larger than the sum of its proper divisors (819343).

12210641 is a wasteful number, since it uses less digits than its factorization.

12210641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12210641 is about 3494.3727620275. The cubic root of 12210641 is about 230.2746624201.

Adding to 12210641 its reverse (14601221), we get a palindrome (26811862).

The spelling of 12210641 in words is "twelve million, two hundred ten thousand, six hundred forty-one".

Divisors: 1 17 131 2227 5483 93211 718273 12210641