Base | Representation |
---|---|
bin | 11101010000101… |
… | …01100101000000 |
3 | 122002212102012011 |
4 | 32220111211000 |
5 | 1000314031133 |
6 | 40204542304 |
7 | 6040222510 |
oct | 1650254500 |
9 | 562772164 |
10 | 245455168 |
11 | 11660a112 |
12 | 6a251994 |
13 | 3bb10b5a |
14 | 24855840 |
15 | 168376cd |
hex | ea15940 |
245455168 has 56 divisors (see below), whose sum is σ = 560051712. Its totient is φ = 104553984.
The previous prime is 245455139. The next prime is 245455169. The reversal of 245455168 is 861554542.
It is a tau number, because it is divible by the number of its divisors (56).
It is a self number, because there is not a number n which added to its sum of digits gives 245455168.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245455169) by changing a digit.
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, 75921 + ... + 79087.
Almost surely, 2245455168 is an apocalyptic number.
245455168 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 245455168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280025856).
245455168 is an abundant number, since it is smaller than the sum of its proper divisors (314596544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245455168 is a wasteful number, since it uses less digits than its factorization.
245455168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3359 (or 3349 counting only the distinct ones).
The product of its digits is 192000, while the sum is 40.
The square root of 245455168 is about 15667.0089040633. The cubic root of 245455168 is about 626.1197360678.
The spelling of 245455168 in words is "two hundred forty-five million, four hundred fifty-five thousand, one hundred sixty-eight".
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