Base | Representation |
---|---|
bin | 10111000001100… |
… | …01111100011001 |
3 | 111110102122202220 |
4 | 23200301330121 |
5 | 343421030203 |
6 | 31055414253 |
7 | 4533453552 |
oct | 1340617431 |
9 | 443378686 |
10 | 193142553 |
11 | 9a02994a |
12 | 54824389 |
13 | 31025c46 |
14 | 1b919329 |
15 | 11e52653 |
hex | b831f19 |
193142553 has 16 divisors (see below), whose sum is σ = 264943296. Its totient is φ = 125064000.
The previous prime is 193142503. The next prime is 193142623. The reversal of 193142553 is 355241391.
193142553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 193142553 - 28 = 193142297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (193142503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84678 + ... + 86928.
It is an arithmetic number, because the mean of its divisors is an integer number (16558956).
Almost surely, 2193142553 is an apocalyptic number.
It is an amenable number.
193142553 is a deficient number, since it is larger than the sum of its proper divisors (71800743).
193142553 is a wasteful number, since it uses less digits than its factorization.
193142553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3064.
The product of its digits is 16200, while the sum is 33.
The square root of 193142553 is about 13897.5736371498. The cubic root of 193142553 is about 578.0419035883.
The spelling of 193142553 in words is "one hundred ninety-three million, one hundred forty-two thousand, five hundred fifty-three".
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