Base | Representation |
---|---|
bin | 11101010010011… |
… | …01011111000000 |
3 | 122010022001022100 |
4 | 32221031133000 |
5 | 1000343343120 |
6 | 40213510400 |
7 | 6042165231 |
oct | 1651153700 |
9 | 563261270 |
10 | 245684160 |
11 | 116756167 |
12 | 6a342400 |
13 | 3bb91157 |
14 | 248b5088 |
15 | 16880490 |
hex | ea4d7c0 |
245684160 has 168 divisors, whose sum is σ = 882030240. Its totient is φ = 62650368.
The previous prime is 245684141. The next prime is 245684191. The reversal of 245684160 is 61486542.
245684160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64386 + ... + 68094.
It is an arithmetic number, because the mean of its divisors is an integer number (5250180).
Almost surely, 2245684160 is an apocalyptic number.
245684160 is a gapful number since it is divisible by the number (20) 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 245684160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441015120).
245684160 is an abundant number, since it is smaller than the sum of its proper divisors (636346080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245684160 is a wasteful number, since it uses less digits than its factorization.
245684160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3755 (or 3742 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 245684160 is about 15674.3152960504. The cubic root of 245684160 is about 626.3143837615.
The spelling of 245684160 in words is "two hundred forty-five million, six hundred eighty-four thousand, one hundred sixty".
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