Base | Representation |
---|---|
bin | 10001100100111… |
… | …11110010111001 |
3 | 101021110111110021 |
4 | 20302133302321 |
5 | 300222031121 |
6 | 22344250441 |
7 | 3440230300 |
oct | 1062376271 |
9 | 337414407 |
10 | 147455161 |
11 | 76264277 |
12 | 41470a21 |
13 | 2471a799 |
14 | 15825437 |
15 | ce2a641 |
hex | 8c9fcb9 |
147455161 has 24 divisors (see below), whose sum is σ = 182648520. Its totient is φ = 118282752.
The previous prime is 147455153. The next prime is 147455173. The reversal of 147455161 is 161554741.
It can be written as a sum of positive squares in 4 ways, for example, as 38378025 + 109077136 = 6195^2 + 10444^2 .
It is not a de Polignac number, because 147455161 - 23 = 147455153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (147455261) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190371 + ... + 191143.
It is an arithmetic number, because the mean of its divisors is an integer number (7610355).
Almost surely, 2147455161 is an apocalyptic number.
It is an amenable number.
147455161 is a deficient number, since it is larger than the sum of its proper divisors (35193359).
147455161 is a wasteful number, since it uses less digits than its factorization.
147455161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1033 (or 1026 counting only the distinct ones).
The product of its digits is 16800, while the sum is 34.
The square root of 147455161 is about 12143.1116687610. Note that the first 3 decimals coincide. The cubic root of 147455161 is about 528.3073578258.
The spelling of 147455161 in words is "one hundred forty-seven million, four hundred fifty-five thousand, one hundred sixty-one".
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