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12052449 = 33446387
BaseRepresentation
bin101101111110…
…011111100001
3211200022212000
4231332133201
511041134244
61110154213
7204305223
oct55763741
924608760
1012052449
116892202
124052969
13265cb36
14185a413
1510d1169
hexb7e7e1

12052449 has 8 divisors (see below), whose sum is σ = 17855520. Its totient is φ = 8034948.

The previous prime is 12052433. The next prime is 12052471. The reversal of 12052449 is 94425021.

It is not a de Polignac number, because 12052449 - 24 = 12052433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 446387 = 12052449 / (1 + 2 + 0 + 5 + 2 + 4 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (12052409) 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, 223167 + ... + 223220.

It is an arithmetic number, because the mean of its divisors is an integer number (2231940).

Almost surely, 212052449 is an apocalyptic number.

It is an amenable number.

12052449 is a deficient number, since it is larger than the sum of its proper divisors (5803071).

12052449 is an equidigital number, since it uses as much as digits as its factorization.

12052449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446396 (or 446390 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12052449 is about 3471.6637221943. The cubic root of 12052449 is about 229.2759143834.

The spelling of 12052449 in words is "twelve million, fifty-two thousand, four hundred forty-nine".

Divisors: 1 3 9 27 446387 1339161 4017483 12052449