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12485623 = 109114547
BaseRepresentation
bin101111101000…
…001111110111
3212111100001111
4233220033313
511144014443
61123335451
7211061143
oct57501767
925440044
1012485623
1170586a7
124221587
132782057
141930223
15116969d
hexbe83f7

12485623 has 4 divisors (see below), whose sum is σ = 12600280. Its totient is φ = 12370968.

The previous prime is 12485617. The next prime is 12485647. The reversal of 12485623 is 32658421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12485623 is a prime.

It is the 3534-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485323) by changing a digit.

It is a nontrivial repunit in base 3533.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57165 + ... + 57382.

It is an arithmetic number, because the mean of its divisors is an integer number (3150070).

Almost surely, 212485623 is an apocalyptic number.

12485623 is a deficient number, since it is larger than the sum of its proper divisors (114657).

12485623 is a wasteful number, since it uses less digits than its factorization.

12485623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114656.

The product of its digits is 11520, while the sum is 31.

The square root of 12485623 is about 3533.5001061271. The cubic root of 12485623 is about 231.9904313830.

The spelling of 12485623 in words is "twelve million, four hundred eighty-five thousand, six hundred twenty-three".

Divisors: 1 109 114547 12485623