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12051442 = 2133791223
BaseRepresentation
bin101101111110…
…001111110010
3211200021110201
4231332033302
511041121232
61110145414
7204302254
oct55761762
924607421
1012051442
116891477
12405226a
13265c540
141859cd4
1510d0be7
hexb7e3f2

12051442 has 16 divisors (see below), whose sum is σ = 19535040. Its totient is φ = 5542992.

The previous prime is 12051433. The next prime is 12051451. The reversal of 12051442 is 24415021.

It is an interprime number because it is at equal distance from previous prime (12051433) and next prime (12051451).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9243 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (1220940).

Almost surely, 212051442 is an apocalyptic number.

12051442 is a deficient number, since it is larger than the sum of its proper divisors (7483598).

12051442 is a wasteful number, since it uses less digits than its factorization.

12051442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12051442 is about 3471.5186878368. The cubic root of 12051442 is about 229.2695287580.

Adding to 12051442 its reverse (24415021), we get a palindrome (36466463).

The spelling of 12051442 in words is "twelve million, fifty-one thousand, four hundred forty-two".

Divisors: 1 2 13 26 379 758 1223 2446 4927 9854 15899 31798 463517 927034 6025721 12051442