Base | Representation |
---|---|
bin | 101010100011010… |
… | …1000100110110001 |
3 | 10200111122212212202 |
4 | 1111012220212301 |
5 | 10411004140140 |
6 | 353402432545 |
7 | 50245056431 |
oct | 12506504661 |
9 | 3614585782 |
10 | 1427802545 |
11 | 672a59204 |
12 | 33a202755 |
13 | 199a644a0 |
14 | d78ac2c1 |
15 | 85537915 |
hex | 551a89b1 |
1427802545 has 32 divisors (see below), whose sum is σ = 1981324800. Its totient is φ = 978324480.
The previous prime is 1427802521. The next prime is 1427802599. The reversal of 1427802545 is 5452087241.
It is not a de Polignac number, because 1427802545 - 216 = 1427737009 is a prime.
It is a super-3 number, since 3×14278025453 (a number of 28 digits) contains 333 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1427802499 and 1427802508.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69356 + ... + 87554.
It is an arithmetic number, because the mean of its divisors is an integer number (61916400).
Almost surely, 21427802545 is an apocalyptic number.
It is an amenable number.
1427802545 is a deficient number, since it is larger than the sum of its proper divisors (553522255).
1427802545 is a wasteful number, since it uses less digits than its factorization.
1427802545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18305.
The product of its (nonzero) digits is 89600, while the sum is 38.
The square root of 1427802545 is about 37786.2745583631. The cubic root of 1427802545 is about 1126.0457883678.
Adding to 1427802545 its reverse (5452087241), we get a palindrome (6879889786).
The spelling of 1427802545 in words is "one billion, four hundred twenty-seven million, eight hundred two thousand, five hundred forty-five".
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