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13437842 = 2112326557
BaseRepresentation
bin110011010000…
…101110010010
3221021201020212
4303100232102
511420002332
61200004122
7222135245
oct63205622
927251225
1013437842
117649060
124600642
132a265b2
141adb25c
1512a68b2
hexcd0b92

13437842 has 16 divisors (see below), whose sum is σ = 22946112. Its totient is φ = 5842320.

The previous prime is 13437841. The next prime is 13437869. The reversal of 13437842 is 24873431.

It is a junction number, because it is equal to n+sod(n) for n = 13437799 and 13437808.

It is not an unprimeable number, because it can be changed into a prime (13437841) by changing a digit.

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, 12773 + ... + 13784.

It is an arithmetic number, because the mean of its divisors is an integer number (1434132).

Almost surely, 213437842 is an apocalyptic number.

13437842 is a deficient number, since it is larger than the sum of its proper divisors (9508270).

13437842 is a wasteful number, since it uses less digits than its factorization.

13437842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26593.

The product of its digits is 16128, while the sum is 32.

The square root of 13437842 is about 3665.7662227698. The cubic root of 13437842 is about 237.7441522473.

The spelling of 13437842 in words is "thirteen million, four hundred thirty-seven thousand, eight hundred forty-two".

Divisors: 1 2 11 22 23 46 253 506 26557 53114 292127 584254 610811 1221622 6718921 13437842