Base | Representation |
---|---|
bin | 10001011001000… |
… | …00111001000001 |
3 | 101011111211001021 |
4 | 20230200321001 |
5 | 244321334120 |
6 | 22250505441 |
7 | 3421005622 |
oct | 1054407101 |
9 | 334454037 |
10 | 145886785 |
11 | 753929a0 |
12 | 40a35281 |
13 | 242bb955 |
14 | 15537a49 |
15 | cc1aaaa |
hex | 8b20e41 |
145886785 has 8 divisors (see below), whose sum is σ = 190979136. Its totient is φ = 106099440.
The previous prime is 145886761. The next prime is 145886789. The reversal of 145886785 is 587688541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145886785 - 211 = 145884737 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (145886789) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326189 + ... + 1326298.
It is an arithmetic number, because the mean of its divisors is an integer number (23872392).
Almost surely, 2145886785 is an apocalyptic number.
It is an amenable number.
145886785 is a deficient number, since it is larger than the sum of its proper divisors (45092351).
145886785 is a wasteful number, since it uses less digits than its factorization.
145886785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2652503.
The product of its digits is 2150400, while the sum is 52.
The square root of 145886785 is about 12078.3601949934. The cubic root of 145886785 is about 526.4276005109.
The spelling of 145886785 in words is "one hundred forty-five million, eight hundred eighty-six thousand, seven hundred eighty-five".
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