Base | Representation |
---|---|
bin | 11100011111110… |
… | …11001010001001 |
3 | 121122211021111022 |
4 | 32033323022021 |
5 | 442144233442 |
6 | 35415442225 |
7 | 5631636542 |
oct | 1617731211 |
9 | 548737438 |
10 | 239055497 |
11 | 112a38a2a |
12 | 68086375 |
13 | 3a6acc75 |
14 | 23a6b4c9 |
15 | 15ec13d2 |
hex | e3fb289 |
239055497 has 8 divisors (see below), whose sum is σ = 247733640. Its totient is φ = 230406400.
The previous prime is 239055469. The next prime is 239055527. The reversal of 239055497 is 794550932.
It can be written as a sum of positive squares in 4 ways, for example, as 83704201 + 155351296 = 9149^2 + 12464^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 239055497 - 212 = 239051401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (239055407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10247 + ... + 24147.
It is an arithmetic number, because the mean of its divisors is an integer number (30966705).
Almost surely, 2239055497 is an apocalyptic number.
It is an amenable number.
239055497 is a deficient number, since it is larger than the sum of its proper divisors (8678143).
239055497 is a wasteful number, since it uses less digits than its factorization.
239055497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14523.
The product of its (nonzero) digits is 340200, while the sum is 44.
The square root of 239055497 is about 15461.4196308101. The cubic root of 239055497 is about 620.6302098715.
The spelling of 239055497 in words is "two hundred thirty-nine million, fifty-five thousand, four hundred ninety-seven".
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