Base | Representation |
---|---|
bin | 11101010000000… |
… | …00111010100000 |
3 | 122002201010002100 |
4 | 32220000322200 |
5 | 1000303324103 |
6 | 40203050400 |
7 | 6036420654 |
oct | 1650007240 |
9 | 562633070 |
10 | 245370528 |
11 | 116561567 |
12 | 6a210a00 |
13 | 3bab1480 |
14 | 24832a64 |
15 | 1681c5a3 |
hex | ea00ea0 |
245370528 has 72 divisors (see below), whose sum is σ = 751458708. Its totient is φ = 75497472.
The previous prime is 245370491. The next prime is 245370529. The reversal of 245370528 is 825073542.
It can be written as a sum of positive squares in 2 ways, for example, as 236298384 + 9072144 = 15372^2 + 3012^2 .
It is a tau number, because it is divible by the number of its divisors (72).
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 = 245370492 and 245370501.
It is not an unprimeable number, because it can be changed into a prime (245370529) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29025 + ... + 36512.
Almost surely, 2245370528 is an apocalyptic number.
It is an amenable number.
245370528 is an abundant number, since it is smaller than the sum of its proper divisors (506088180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245370528 is a wasteful number, since it uses less digits than its factorization.
245370528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65566 (or 65555 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 245370528 is about 15664.3074535710. The cubic root of 245370528 is about 626.0477597643.
The spelling of 245370528 in words is "two hundred forty-five million, three hundred seventy thousand, five hundred twenty-eight".
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