Base | Representation |
---|---|
bin | 11101010000010… |
… | …11110001101111 |
3 | 122002210101010022 |
4 | 32220023301233 |
5 | 1000311240043 |
6 | 40204032355 |
7 | 6036664460 |
oct | 1650136157 |
9 | 562711108 |
10 | 245415023 |
11 | 116591a37 |
12 | 6a2326bb |
13 | 3bac87b9 |
14 | 24844d67 |
15 | 1682a868 |
hex | ea0bc6f |
245415023 has 8 divisors (see below), whose sum is σ = 290146080. Its totient is φ = 203101920.
The previous prime is 245415019. The next prime is 245415041. The reversal of 245415023 is 320514542.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 245415023 - 22 = 245415019 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 245414983 and 245415001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245415013) 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, 604268 + ... + 604673.
It is an arithmetic number, because the mean of its divisors is an integer number (36268260).
Almost surely, 2245415023 is an apocalyptic number.
245415023 is a deficient number, since it is larger than the sum of its proper divisors (44731057).
245415023 is a wasteful number, since it uses less digits than its factorization.
245415023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1208977.
The product of its (nonzero) digits is 4800, while the sum is 26.
The square root of 245415023 is about 15665.7276562565. The cubic root of 245415023 is about 626.0855995593.
Adding to 245415023 its reverse (320514542), we get a palindrome (565929565).
The spelling of 245415023 in words is "two hundred forty-five million, four hundred fifteen thousand, twenty-three".
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