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12160642 = 2133712641
BaseRepresentation
bin101110011000…
…111010000010
3211212211021011
4232120322002
511103120032
61112351134
7205235524
oct56307202
924784234
1012160642
11695651a
1240a54aa
13269a160
141887a14
151103247
hexb98e82

12160642 has 16 divisors (see below), whose sum is σ = 20176632. Its totient is φ = 5460480.

The previous prime is 12160607. The next prime is 12160669. The reversal of 12160642 is 24606121.

It can be written as a sum of positive squares in 4 ways, for example, as 6548481 + 5612161 = 2559^2 + 2369^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5359 + ... + 7282.

Almost surely, 212160642 is an apocalyptic number.

12160642 is a deficient number, since it is larger than the sum of its proper divisors (8015990).

12160642 is a wasteful number, since it uses less digits than its factorization.

12160642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12160642 is about 3487.2112066808. The cubic root of 12160642 is about 229.9599300075.

Adding to 12160642 its reverse (24606121), we get a palindrome (36766763).

The spelling of 12160642 in words is "twelve million, one hundred sixty thousand, six hundred forty-two".

Divisors: 1 2 13 26 37 74 481 962 12641 25282 164333 328666 467717 935434 6080321 12160642