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12310477 = 71832089
BaseRepresentation
bin101110111101…
…011111001101
3212011102210121
4232331133031
511122413402
61115504541
7206431414
oct56753715
925142717
1012310477
116a49053
124158151
13272040a
1418c647b
151132837
hexbbd7cd

12310477 has 8 divisors (see below), whose sum is σ = 12640320. Its totient is φ = 11985120.

The previous prime is 12310453. The next prime is 12310481. The reversal of 12310477 is 77401321.

It is a happy number.

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 12310477 - 215 = 12277709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4849 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 212310477 is an apocalyptic number.

It is an amenable number.

12310477 is a deficient number, since it is larger than the sum of its proper divisors (329843).

12310477 is an equidigital number, since it uses as much as digits as its factorization.

12310477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 12310477 is about 3508.6289344985. The cubic root of 12310477 is about 230.9005462572.

Adding to 12310477 its reverse (77401321), we get a palindrome (89711798).

The spelling of 12310477 in words is "twelve million, three hundred ten thousand, four hundred seventy-seven".

Divisors: 1 71 83 2089 5893 148319 173387 12310477