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13418642 = 2371491217
BaseRepresentation
bin110011001100…
…000010010010
3221020201220202
4303030002102
511413344032
61155335202
7222025256
oct63140222
927221822
1013418642
117635696
1245b1502
132a1a933
141ad4266
1512a0d62
hexccc092

13418642 has 16 divisors (see below), whose sum is σ = 20827800. Its totient is φ = 6478848.

The previous prime is 13418569. The next prime is 13418653. The reversal of 13418642 is 24681431.

It can be written as a sum of positive squares in 4 ways, for example, as 10699441 + 2719201 = 3271^2 + 1649^2 .

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, 10418 + ... + 11634.

Almost surely, 213418642 is an apocalyptic number.

13418642 is a deficient number, since it is larger than the sum of its proper divisors (7409158).

13418642 is a wasteful number, since it uses less digits than its factorization.

13418642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 4608, while the sum is 29.

The square root of 13418642 is about 3663.1464617184. The cubic root of 13418642 is about 237.6308685950.

The spelling of 13418642 in words is "thirteen million, four hundred eighteen thousand, six hundred forty-two".

Divisors: 1 2 37 74 149 298 1217 2434 5513 11026 45029 90058 181333 362666 6709321 13418642