Base | Representation |
---|---|
bin | 10001101000101… |
… | …10111010101101 |
3 | 101022101021202112 |
4 | 20310112322231 |
5 | 300333134320 |
6 | 22402533405 |
7 | 3444331643 |
oct | 1064267255 |
9 | 338337675 |
10 | 147943085 |
11 | 76567914 |
12 | 41667265 |
13 | 2485b8b4 |
14 | 15911193 |
15 | cec4ec5 |
hex | 8d16ead |
147943085 has 4 divisors (see below), whose sum is σ = 177531708. Its totient is φ = 118354464.
The previous prime is 147943073. The next prime is 147943097. The reversal of 147943085 is 580349741.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580349741 = 127 ⋅4569683.
It is an interprime number because it is at equal distance from previous prime (147943073) and next prime (147943097).
It can be written as a sum of positive squares in 2 ways, for example, as 98465929 + 49477156 = 9923^2 + 7034^2 .
It is a cyclic number.
It is not a de Polignac number, because 147943085 - 24 = 147943069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14794304 + ... + 14794313.
It is an arithmetic number, because the mean of its divisors is an integer number (44382927).
Almost surely, 2147943085 is an apocalyptic number.
It is an amenable number.
147943085 is a deficient number, since it is larger than the sum of its proper divisors (29588623).
147943085 is an equidigital number, since it uses as much as digits as its factorization.
147943085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29588622.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 147943085 is about 12163.1856435722. The cubic root of 147943085 is about 528.8894331665.
The spelling of 147943085 in words is "one hundred forty-seven million, nine hundred forty-three thousand, eighty-five".
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