Base | Representation |
---|---|
bin | 1100001111111… |
… | …00001111111011 |
3 | 21011022222202110 |
4 | 12013330033323 |
5 | 202300320313 |
6 | 14110103403 |
7 | 2355214230 |
oct | 607741773 |
9 | 234288673 |
10 | 102745083 |
11 | 52aa69a1 |
12 | 2a4aab63 |
13 | 1839510c |
14 | d907787 |
15 | 9047ec3 |
hex | 61fc3fb |
102745083 has 16 divisors (see below), whose sum is σ = 156709376. Its totient is φ = 58656960.
The previous prime is 102745079. The next prime is 102745133. The reversal of 102745083 is 380547201.
It is not a de Polignac number, because 102745083 - 22 = 102745079 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102745083.
It is not an unprimeable number, because it can be changed into a prime (102745033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35418 + ... + 38208.
It is an arithmetic number, because the mean of its divisors is an integer number (9794336).
Almost surely, 2102745083 is an apocalyptic number.
102745083 is a deficient number, since it is larger than the sum of its proper divisors (53964293).
102745083 is a wasteful number, since it uses less digits than its factorization.
102745083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4554.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 102745083 is about 10136.3249257312. The cubic root of 102745083 is about 468.3677847136.
The spelling of 102745083 in words is "one hundred two million, seven hundred forty-five thousand, eighty-three".
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