Base | Representation |
---|---|
bin | 11101010001001… |
… | …11111101100000 |
3 | 122010000020110220 |
4 | 32220213331200 |
5 | 1000323433324 |
6 | 40210323040 |
7 | 6040655154 |
oct | 1650477540 |
9 | 563006426 |
10 | 245530464 |
11 | 116660743 |
12 | 6a289480 |
13 | 3bb391ca |
14 | 24875064 |
15 | 1684eb79 |
hex | ea27f60 |
245530464 has 96 divisors (see below), whose sum is σ = 682577280. Its totient is φ = 77064192.
The previous prime is 245530421. The next prime is 245530477. The reversal of 245530464 is 464035542.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413752 + ... + 414344.
It is an arithmetic number, because the mean of its divisors is an integer number (7110180).
Almost surely, 2245530464 is an apocalyptic number.
245530464 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 245530464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341288640).
245530464 is an abundant number, since it is smaller than the sum of its proper divisors (437046816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245530464 is a wasteful number, since it uses less digits than its factorization.
245530464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 852 (or 844 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 33.
The square root of 245530464 is about 15669.4117311404. The cubic root of 245530464 is about 626.1837524992.
The spelling of 245530464 in words is "two hundred forty-five million, five hundred thirty thousand, four hundred sixty-four".
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