Base | Representation |
---|---|
bin | 11101001111100… |
… | …01000000000000 |
3 | 122002120210200010 |
4 | 32213301000000 |
5 | 1000244232334 |
6 | 40201424520 |
7 | 6036026634 |
oct | 1647610000 |
9 | 562523603 |
10 | 245305344 |
11 | 116517599 |
12 | 6a19b140 |
13 | 3ba8a8bb |
14 | 24816dc4 |
15 | 168080e9 |
hex | e9f1000 |
245305344 has 52 divisors (see below), whose sum is σ = 654100496. Its totient is φ = 81764352.
The previous prime is 245305343. The next prime is 245305363. The reversal of 245305344 is 443503542.
It is not an unprimeable number, because it can be changed into a prime (245305343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307 + ... + 22269.
Almost surely, 2245305344 is an apocalyptic number.
245305344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245305344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327050248).
245305344 is an abundant number, since it is smaller than the sum of its proper divisors (408795152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245305344 is an equidigital number, since it uses as much as digits as its factorization.
245305344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19990 (or 19968 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 30.
The square root of 245305344 is about 15662.2266616213. The cubic root of 245305344 is about 625.9923172034.
Adding to 245305344 its reverse (443503542), we get a palindrome (688808886).
The spelling of 245305344 in words is "two hundred forty-five million, three hundred five thousand, three hundred forty-four".
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