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12285493 = 112101533
BaseRepresentation
bin101110110111…
…011000110101
3212010011112021
4232313120311
511121113433
61115153141
7206265523
oct56673065
925104467
1012285493
116a31300
1241457b1
132711c2c
1418bb313
15112a22d
hexbb7635

12285493 has 6 divisors (see below), whose sum is σ = 13504022. Its totient is φ = 11168520.

The previous prime is 12285479. The next prime is 12285503. The reversal of 12285493 is 39458221.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 4231249 = 2838^2 + 2057^2 .

It is not a de Polignac number, because 12285493 - 29 = 12284981 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 (12285463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50646 + ... + 50887.

Almost surely, 212285493 is an apocalyptic number.

It is an amenable number.

12285493 is a deficient number, since it is larger than the sum of its proper divisors (1218529).

12285493 is a wasteful number, since it uses less digits than its factorization.

12285493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101555 (or 101544 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 12285493 is about 3505.0667611331. The cubic root of 12285493 is about 230.7442369541.

The spelling of 12285493 in words is "twelve million, two hundred eighty-five thousand, four hundred ninety-three".

Divisors: 1 11 121 101533 1116863 12285493