Base | Representation |
---|---|
bin | 11101001110110… |
… | …00111000000000 |
3 | 122002101210010021 |
4 | 32213120320000 |
5 | 1000233102103 |
6 | 40155343224 |
7 | 6035135560 |
oct | 1647307000 |
9 | 562353107 |
10 | 245206528 |
11 | 11645a326 |
12 | 6a151b14 |
13 | 3ba54928 |
14 | 247ccda0 |
15 | 167d8bbd |
hex | e9d8e00 |
245206528 has 80 divisors (see below), whose sum is σ = 578248704. Its totient is φ = 101652480.
The previous prime is 245206517. The next prime is 245206531. The reversal of 245206528 is 825602542.
It is a junction number, because it is equal to n+sod(n) for n = 245206493 and 245206502.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110001 + ... + 112207.
Almost surely, 2245206528 is an apocalyptic number.
245206528 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 245206528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289124352).
245206528 is an abundant number, since it is smaller than the sum of its proper divisors (333042176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245206528 is an equidigital number, since it uses as much as digits as its factorization.
245206528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2263 (or 2247 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 245206528 is about 15659.0717477123. The cubic root of 245206528 is about 625.9082500516.
The spelling of 245206528 in words is "two hundred forty-five million, two hundred six thousand, five hundred twenty-eight".
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