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12254427 = 321361603
BaseRepresentation
bin101110101111…
…110011011011
3212001120220200
4232233303123
511114120202
61114353243
7206106123
oct56576333
925046820
1012254427
116a0aa29
12412b823
132700a53
1418adc83
151120e1c
hexbafcdb

12254427 has 6 divisors (see below), whose sum is σ = 17700852. Its totient is φ = 8169612.

The previous prime is 12254419. The next prime is 12254447. The reversal of 12254427 is 72445221.

It is not a de Polignac number, because 12254427 - 23 = 12254419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12254427.

It is not an unprimeable number, because it can be changed into a prime (12254447) 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 5 ways as a sum of consecutive naturals, for example, 680793 + ... + 680810.

It is an arithmetic number, because the mean of its divisors is an integer number (2950142).

Almost surely, 212254427 is an apocalyptic number.

12254427 is a deficient number, since it is larger than the sum of its proper divisors (5446425).

12254427 is a wasteful number, since it uses less digits than its factorization.

12254427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361609 (or 1361606 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 12254427 is about 3500.6323714438. The cubic root of 12254427 is about 230.5495805121.

Adding to 12254427 its reverse (72445221), we get a palindrome (84699648).

It can be divided in two parts, 1225442 and 7, that added together give a square (1225449 = 11072).

The spelling of 12254427 in words is "twelve million, two hundred fifty-four thousand, four hundred twenty-seven".

Divisors: 1 3 9 1361603 4084809 12254427