Base | Representation |
---|---|
bin | 11101010000101… |
… | …01111010111000 |
3 | 122002212111010000 |
4 | 32220111322320 |
5 | 1000314102233 |
6 | 40204553000 |
7 | 6040226550 |
oct | 1650257270 |
9 | 562774100 |
10 | 245456568 |
11 | 116610175 |
12 | 6a252760 |
13 | 3bb11696 |
14 | 24856160 |
15 | 16837d13 |
hex | ea15eb8 |
245456568 has 160 divisors (see below), whose sum is σ = 801329760. Its totient is φ = 68739840.
The previous prime is 245456567. The next prime is 245456593. The reversal of 245456568 is 865654542.
245456568 is a `hidden beast` number, since 2 + 45 + 45 + 6 + 568 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245456567) by changing a digit.
It is an upside-down number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 239898 + ... + 240918.
It is an arithmetic number, because the mean of its divisors is an integer number (5008311).
Almost surely, 2245456568 is an apocalyptic number.
245456568 is a gapful number since it is divisible by the number (28) 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 245456568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400664880).
245456568 is an abundant number, since it is smaller than the sum of its proper divisors (555873192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245456568 is a wasteful number, since it uses less digits than its factorization.
245456568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1099 (or 1086 counting only the distinct ones).
The product of its digits is 1152000, while the sum is 45.
The square root of 245456568 is about 15667.0535838747. The cubic root of 245456568 is about 626.1209264630.
It can be divided in two parts, 24545 and 6568, that added together give a palindrome (31113).
The spelling of 245456568 in words is "two hundred forty-five million, four hundred fifty-six thousand, five hundred sixty-eight".
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