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12200542 = 247129793
BaseRepresentation
bin101110100010…
…101001011110
3211221211222221
4232202221132
511110404132
61113255554
7205463044
oct56425136
924854887
1012200542
1169834a2
1241045ba
1326b2373
141898394
15110ee97
hexba2a5e

12200542 has 8 divisors (see below), whose sum is σ = 18690336. Its totient is φ = 5970432.

The previous prime is 12200537. The next prime is 12200581. The reversal of 12200542 is 24500221.

It is a sphenic number, since it is the product of 3 distinct primes.

12200542 is a modest number, since divided by 542 gives 122 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64803 + ... + 64990.

It is an arithmetic number, because the mean of its divisors is an integer number (2336292).

Almost surely, 212200542 is an apocalyptic number.

12200542 is a deficient number, since it is larger than the sum of its proper divisors (6489794).

12200542 is a wasteful number, since it uses less digits than its factorization.

12200542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129842.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12200542 is about 3492.9274255272. The cubic root of 12200542 is about 230.2111608333.

Adding to 12200542 its reverse (24500221), we get a palindrome (36700763).

The spelling of 12200542 in words is "twelve million, two hundred thousand, five hundred forty-two".

Divisors: 1 2 47 94 129793 259586 6100271 12200542