Base | Representation |
---|---|
bin | 1100001111101… |
… | …00101100100001 |
3 | 21011021102022121 |
4 | 12013310230201 |
5 | 202243323040 |
6 | 14105304241 |
7 | 2355025102 |
oct | 607645441 |
9 | 234242277 |
10 | 102714145 |
11 | 52a85726 |
12 | 2a495081 |
13 | 18384001 |
14 | d8da3a9 |
15 | 903dc4a |
hex | 61f4b21 |
102714145 has 8 divisors (see below), whose sum is σ = 123566760. Its totient is φ = 81964800.
The previous prime is 102714121. The next prime is 102714151. The reversal of 102714145 is 541417201.
It can be written as a sum of positive squares in 4 ways, for example, as 22127616 + 80586529 = 4704^2 + 8977^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-102714145 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 23610 + ... + 27619.
It is an arithmetic number, because the mean of its divisors is an integer number (15445845).
Almost surely, 2102714145 is an apocalyptic number.
It is an amenable number.
102714145 is a deficient number, since it is larger than the sum of its proper divisors (20852615).
102714145 is an equidigital number, since it uses as much as digits as its factorization.
102714145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51635.
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 102714145 is about 10134.7987153174. The cubic root of 102714145 is about 468.3207692693.
The spelling of 102714145 in words is "one hundred two million, seven hundred fourteen thousand, one hundred forty-five".
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