Base | Representation |
---|---|
bin | 10001100010001… |
… | …00011010011101 |
3 | 101020202111000022 |
4 | 20301010122131 |
5 | 300123041421 |
6 | 22332241525 |
7 | 3434111114 |
oct | 1061043235 |
9 | 336674008 |
10 | 147080861 |
11 | 76029034 |
12 | 413102a5 |
13 | 246192c5 |
14 | 15768c7b |
15 | cda47ab |
hex | 8c4469d |
147080861 has 8 divisors (see below), whose sum is σ = 148444920. Its totient is φ = 145723392.
The previous prime is 147080851. The next prime is 147080867. The reversal of 147080861 is 168080741.
It can be written as a sum of positive squares in 4 ways, for example, as 525625 + 146555236 = 725^2 + 12106^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-147080861 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147080867) 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, 50501 + ... + 53333.
It is an arithmetic number, because the mean of its divisors is an integer number (18555615).
Almost surely, 2147080861 is an apocalyptic number.
It is an amenable number.
147080861 is a deficient number, since it is larger than the sum of its proper divisors (1364059).
147080861 is a wasteful number, since it uses less digits than its factorization.
147080861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3295.
The product of its (nonzero) digits is 10752, while the sum is 35.
The square root of 147080861 is about 12127.6898459682. The cubic root of 147080861 is about 527.8599608047.
The spelling of 147080861 in words is "one hundred forty-seven million, eighty thousand, eight hundred sixty-one".
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