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101222345 = 5719914533
BaseRepresentation
bin1100000100010…
…00011111001001
321001110121221202
412002020133021
5201403103340
614013313545
72336242610
oct602103711
9231417852
10101222345
1152156934
1229a958b5
1317c80ca3
14d62c877
158d46c15
hex60887c9

101222345 has 16 divisors (see below), whose sum is σ = 139526400. Its totient is φ = 69056064.

The previous prime is 101222339. The next prime is 101222371. The reversal of 101222345 is 543222101.

It is not a de Polignac number, because 101222345 - 226 = 34113481 is a prime.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 302 + ... + 14231.

It is an arithmetic number, because the mean of its divisors is an integer number (8720400).

Almost surely, 2101222345 is an apocalyptic number.

It is an amenable number.

101222345 is a deficient number, since it is larger than the sum of its proper divisors (38304055).

101222345 is a wasteful number, since it uses less digits than its factorization.

101222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14744.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 101222345 is about 10060.9316169031. The cubic root of 101222345 is about 466.0424372068.

Adding to 101222345 its reverse (543222101), we get a palindrome (644444446).

The spelling of 101222345 in words is "one hundred one million, two hundred twenty-two thousand, three hundred forty-five".

Divisors: 1 5 7 35 199 995 1393 6965 14533 72665 101731 508655 2892067 14460335 20244469 101222345