Base | Representation |
---|---|
bin | 11101010010000… |
… | …10001110101010 |
3 | 122010012201001212 |
4 | 32221002032222 |
5 | 1000340404213 |
6 | 40212513122 |
7 | 6041613641 |
oct | 1651021652 |
9 | 563181055 |
10 | 245638058 |
11 | 116724566 |
12 | 6a31b7a2 |
13 | 3bb76183 |
14 | 248a2358 |
15 | 168719a8 |
hex | ea423aa |
245638058 has 4 divisors (see below), whose sum is σ = 368457090. Its totient is φ = 122819028.
The previous prime is 245638051. The next prime is 245638067. The reversal of 245638058 is 850836542.
245638058 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 210627169 + 35010889 = 14513^2 + 5917^2 .
It is a super-3 number, since 3×2456380583 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (245638051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61409513 + ... + 61409516.
Almost surely, 2245638058 is an apocalyptic number.
245638058 is a deficient number, since it is larger than the sum of its proper divisors (122819032).
245638058 is a wasteful number, since it uses less digits than its factorization.
245638058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122819031.
The product of its (nonzero) digits is 230400, while the sum is 41.
The square root of 245638058 is about 15672.8446046019. The cubic root of 245638058 is about 626.2752058837.
The spelling of 245638058 in words is "two hundred forty-five million, six hundred thirty-eight thousand, fifty-eight".
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