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103215066 = 2317202511
BaseRepresentation
bin1100010011011…
…10111111011010
321012012212110020
412021232333122
5202410340231
614124131310
72362212363
oct611567732
9235185406
10103215066
1153298009
122a696b36
13184cb006
14d9cab6a
1590dc396
hex626efda

103215066 has 8 divisors (see below), whose sum is σ = 206430144. Its totient is φ = 34405020.

The previous prime is 103215037. The next prime is 103215067. The reversal of 103215066 is 660512301.

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

103215066 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (103215067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8601250 + ... + 8601261.

It is an arithmetic number, because the mean of its divisors is an integer number (25803768).

Almost surely, 2103215066 is an apocalyptic number.

103215066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103215066 is a wasteful number, since it uses less digits than its factorization.

103215066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17202516.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 103215066 is about 10159.4815812619. The cubic root of 103215066 is about 469.0808443369.

Adding to 103215066 its reverse (660512301), we get a palindrome (763727367).

The spelling of 103215066 in words is "one hundred three million, two hundred fifteen thousand, sixty-six".

Divisors: 1 2 3 6 17202511 34405022 51607533 103215066