Base | Representation |
---|---|
bin | 100000011111010… |
… | …010101111010011 |
3 | 1101222122122010210 |
4 | 200133102233103 |
5 | 2104014333011 |
6 | 130030455203 |
7 | 16336024260 |
oct | 4037225723 |
9 | 1358578123 |
10 | 545074131 |
11 | 25a753298 |
12 | 132664503 |
13 | 88c07394 |
14 | 5256a267 |
15 | 32cbd6a6 |
hex | 207d2bd3 |
545074131 has 32 divisors (see below), whose sum is σ = 854235648. Its totient is φ = 302664960.
The previous prime is 545074129. The next prime is 545074177. The reversal of 545074131 is 131470545.
It is not a de Polignac number, because 545074131 - 21 = 545074129 is a prime.
It is a super-2 number, since 2×5450741312 = 594211616570810322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (545074531) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242545 + ... + 244781.
It is an arithmetic number, because the mean of its divisors is an integer number (26694864).
Almost surely, 2545074131 is an apocalyptic number.
545074131 is a deficient number, since it is larger than the sum of its proper divisors (309161517).
545074131 is a wasteful number, since it uses less digits than its factorization.
545074131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2571.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 545074131 is about 23346.8227174492. The cubic root of 545074131 is about 816.8679505151.
The spelling of 545074131 in words is "five hundred forty-five million, seventy-four thousand, one hundred thirty-one".
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