Base | Representation |
---|---|
bin | 11101001110011… |
… | …01100001101111 |
3 | 122002022102100202 |
4 | 32213031201233 |
5 | 1000230110142 |
6 | 40154344115 |
7 | 6034553216 |
oct | 1647154157 |
9 | 562272322 |
10 | 245160047 |
11 | 116428410 |
12 | 6a12b03b |
13 | 3ba39722 |
14 | 247ba07d |
15 | 167ca032 |
hex | e9cd86f |
245160047 has 4 divisors (see below), whose sum is σ = 267447336. Its totient is φ = 222872760.
The previous prime is 245160017. The next prime is 245160049. The reversal of 245160047 is 740061542.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 245160047 - 212 = 245155951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245160049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11143628 + ... + 11143649.
It is an arithmetic number, because the mean of its divisors is an integer number (66861834).
Almost surely, 2245160047 is an apocalyptic number.
245160047 is a deficient number, since it is larger than the sum of its proper divisors (22287289).
245160047 is a wasteful number, since it uses less digits than its factorization.
245160047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22287288.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 245160047 is about 15657.5875217097. The cubic root of 245160047 is about 625.8686987938.
The spelling of 245160047 in words is "two hundred forty-five million, one hundred sixty thousand, forty-seven".
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