Base | Representation |
---|---|
bin | 11101010001000… |
… | …01011011000000 |
3 | 122002221212201220 |
4 | 32220201123000 |
5 | 1000322104210 |
6 | 40205555040 |
7 | 6040514112 |
oct | 1650413300 |
9 | 562855656 |
10 | 245503680 |
11 | 116642604 |
12 | 6a275a80 |
13 | 3bb29c66 |
14 | 248693b2 |
15 | 16846c70 |
hex | ea216c0 |
245503680 has 56 divisors (see below), whose sum is σ = 779477232. Its totient is φ = 65467392.
The previous prime is 245503673. The next prime is 245503703. The reversal of 245503680 is 86305542.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126907 + ... + 128826.
Almost surely, 2245503680 is an apocalyptic number.
245503680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245503680 is an abundant number, since it is smaller than the sum of its proper divisors (533973552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245503680 is a wasteful number, since it uses less digits than its factorization.
245503680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255753 (or 255743 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 245503680 is about 15668.5570490712. The cubic root of 245503680 is about 626.1609823234.
The spelling of 245503680 in words is "two hundred forty-five million, five hundred three thousand, six hundred eighty".
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