Base | Representation |
---|---|
bin | 11101001101001… |
… | …11011011111111 |
3 | 122002000111100101 |
4 | 32212213123333 |
5 | 1000210112111 |
6 | 40151141531 |
7 | 6033333316 |
oct | 1646473377 |
9 | 562014311 |
10 | 245004031 |
11 | 116331178 |
12 | 6a0748a7 |
13 | 3b9b36cc |
14 | 2477927d |
15 | 16798bc1 |
hex | e9a76ff |
245004031 has 8 divisors (see below), whose sum is σ = 261532800. Its totient is φ = 228838680.
The previous prime is 245004029. The next prime is 245004037. The reversal of 245004031 is 130400542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245004031 - 21 = 245004029 is a prime.
It is a super-2 number, since 2×2450040312 = 120053950412497922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245004037) 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, 89461 + ... + 92158.
It is an arithmetic number, because the mean of its divisors is an integer number (32691600).
Almost surely, 2245004031 is an apocalyptic number.
245004031 is a deficient number, since it is larger than the sum of its proper divisors (16528769).
245004031 is a wasteful number, since it uses less digits than its factorization.
245004031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181709.
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 245004031 is about 15652.6046075406. The cubic root of 245004031 is about 625.7359062870.
Adding to 245004031 its reverse (130400542), we get a palindrome (375404573).
The spelling of 245004031 in words is "two hundred forty-five million, four thousand, thirty-one".
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