Base | Representation |
---|---|
bin | 11101010000010… |
… | …00101100111110 |
3 | 122002202201211220 |
4 | 32220020230332 |
5 | 1000310334210 |
6 | 40203454210 |
7 | 6036612660 |
oct | 1650105476 |
9 | 562681756 |
10 | 245402430 |
11 | 116583529 |
12 | 6a227366 |
13 | 3bac2b50 |
14 | 24840530 |
15 | 16826c70 |
hex | ea08b3e |
245402430 has 64 divisors (see below), whose sum is σ = 724889088. Its totient is φ = 51776640.
The previous prime is 245402401. The next prime is 245402453. The reversal of 245402430 is 34204542.
245402430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 245402430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42216 + ... + 47675.
It is an arithmetic number, because the mean of its divisors is an integer number (11326392).
Almost surely, 2245402430 is an apocalyptic number.
245402430 is an abundant number, since it is smaller than the sum of its proper divisors (479486658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245402430 is a wasteful number, since it uses less digits than its factorization.
245402430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89921.
The product of its (nonzero) digits is 3840, while the sum is 24.
The square root of 245402430 is about 15665.3257227547. The cubic root of 245402430 is about 626.0748905833.
Adding to 245402430 its reverse (34204542), we get a palindrome (279606972).
The spelling of 245402430 in words is "two hundred forty-five million, four hundred two thousand, four hundred thirty".
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