Base | Representation |
---|---|
bin | 11101001101101… |
… | …00000100000000 |
3 | 122002010010021200 |
4 | 32212310010000 |
5 | 1000213240434 |
6 | 40152221200 |
7 | 6033640143 |
oct | 1646640400 |
9 | 562103250 |
10 | 245055744 |
11 | 11636700a |
12 | 6a09a800 |
13 | 3ba010cb |
14 | 2479005a |
15 | 167a9199 |
hex | e9b4100 |
245055744 has 216 divisors, whose sum is σ = 755069952. Its totient is φ = 76308480.
The previous prime is 245055743. The next prime is 245055751. The reversal of 245055744 is 447550542.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 245055699 and 245055708.
It is not an unprimeable number, because it can be changed into a prime (245055743) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3356892 + ... + 3356964.
Almost surely, 2245055744 is an apocalyptic number.
245055744 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 245055744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377534976).
245055744 is an abundant number, since it is smaller than the sum of its proper divisors (510014208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245055744 is a wasteful number, since it uses less digits than its factorization.
245055744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173 (or 156 counting only the distinct ones).
The product of its (nonzero) digits is 112000, while the sum is 36.
The square root of 245055744 is about 15654.2564179842. The cubic root of 245055744 is about 625.7799278818.
The spelling of 245055744 in words is "two hundred forty-five million, fifty-five thousand, seven hundred forty-four".
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