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13442210 = 256720063
BaseRepresentation
bin110011010001…
…110010100010
3221021221020122
4303101302202
511420122320
61200040242
7222154055
oct63216242
927257218
1013442210
117651371
124603082
132a28592
141adca9c
1512a7d25
hexcd1ca2

13442210 has 16 divisors (see below), whose sum is σ = 24558336. Its totient is φ = 5296368.

The previous prime is 13442201. The next prime is 13442237. The reversal of 13442210 is 1224431.

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, 9362 + ... + 10701.

It is an arithmetic number, because the mean of its divisors is an integer number (1534896).

Almost surely, 213442210 is an apocalyptic number.

13442210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13442210 is a deficient number, since it is larger than the sum of its proper divisors (11116126).

13442210 is a wasteful number, since it uses less digits than its factorization.

13442210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20137.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 13442210 is about 3666.3619570359. The cubic root of 13442210 is about 237.7699092093.

Adding to 13442210 its reverse (1224431), we get a palindrome (14666641).

The spelling of 13442210 in words is "thirteen million, four hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 67 134 335 670 20063 40126 100315 200630 1344221 2688442 6721105 13442210