Base | Representation |
---|---|
bin | 11110010010111… |
… | …10011011110011 |
3 | 122201012202112220 |
4 | 33021132123303 |
5 | 1010030022240 |
6 | 41115052123 |
7 | 6204113226 |
oct | 1711363363 |
9 | 581182486 |
10 | 254142195 |
11 | 12050287a |
12 | 71141043 |
13 | 40862bc8 |
14 | 25a775bd |
15 | 174a15d0 |
hex | f25e6f3 |
254142195 has 24 divisors (see below), whose sum is σ = 429164496. Its totient is φ = 128405952.
The previous prime is 254142193. The next prime is 254142209. The reversal of 254142195 is 591241452.
It is not a de Polignac number, because 254142195 - 21 = 254142193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (254142193) 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, 18052 + ... + 28881.
It is an arithmetic number, because the mean of its divisors is an integer number (17881854).
Almost surely, 2254142195 is an apocalyptic number.
254142195 is a deficient number, since it is larger than the sum of its proper divisors (175022301).
254142195 is a wasteful number, since it uses less digits than its factorization.
254142195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46979 (or 46960 counting only the distinct ones).
The product of its digits is 14400, while the sum is 33.
The square root of 254142195 is about 15941.8378802445. The cubic root of 254142195 is about 633.4207101669.
The spelling of 254142195 in words is "two hundred fifty-four million, one hundred forty-two thousand, one hundred ninety-five".
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