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13222043 = 192832459
BaseRepresentation
bin110010011100…
…000010011011
3220212202020022
4302130002123
511341101133
61151221055
7220246142
oct62340233
926782208
1013222043
117510a0a
12451778b
13297c2c3
141a82759
151262998
hexc9c09b

13222043 has 8 divisors (see below), whose sum is σ = 13972800. Its totient is φ = 12476808.

The previous prime is 13222037. The next prime is 13222067. The reversal of 13222043 is 34022231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13222043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222093) 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, 4148 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (1746600).

Almost surely, 213222043 is an apocalyptic number.

13222043 is a deficient number, since it is larger than the sum of its proper divisors (750757).

13222043 is a wasteful number, since it uses less digits than its factorization.

13222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13222043 is about 3636.2127275505. The cubic root of 13222043 is about 236.4646297525.

Adding to 13222043 its reverse (34022231), we get a palindrome (47244274).

The spelling of 13222043 in words is "thirteen million, two hundred twenty-two thousand, forty-three".

Divisors: 1 19 283 2459 5377 46721 695897 13222043