Base | Representation |
---|---|
bin | 1100001100100… |
… | …01000011111101 |
3 | 21010111200111210 |
4 | 12012101003331 |
5 | 202142243140 |
6 | 14052435033 |
7 | 2351405232 |
oct | 606210375 |
9 | 233450453 |
10 | 102306045 |
11 | 52827056 |
12 | 2a318a79 |
13 | 1827032a |
14 | d831789 |
15 | 8eacd80 |
hex | 61910fd |
102306045 has 16 divisors (see below), whose sum is σ = 168970752. Its totient is φ = 52802880.
The previous prime is 102306011. The next prime is 102306053. The reversal of 102306045 is 540603201.
It is a happy number.
It is not a de Polignac number, because 102306045 - 211 = 102303997 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109542 + ... + 110471.
It is an arithmetic number, because the mean of its divisors is an integer number (10560672).
Almost surely, 2102306045 is an apocalyptic number.
102306045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102306045 is a deficient number, since it is larger than the sum of its proper divisors (66664707).
102306045 is a wasteful number, since it uses less digits than its factorization.
102306045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220052.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 102306045 is about 10114.6450753351. The cubic root of 102306045 is about 467.6997078263.
Adding to 102306045 its reverse (540603201), we get a palindrome (642909246).
The spelling of 102306045 in words is "one hundred two million, three hundred six thousand, forty-five".
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