Base | Representation |
---|---|
bin | 11101001111011… |
… | …11111110010100 |
3 | 122002120120220102 |
4 | 32213233332110 |
5 | 1000244114030 |
6 | 40201353232 |
7 | 6036011450 |
oct | 1647577624 |
9 | 562516812 |
10 | 245301140 |
11 | 116514417 |
12 | 6a198818 |
13 | 3ba88a06 |
14 | 24815660 |
15 | 16806c45 |
hex | e9eff94 |
245301140 has 96 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 78543360.
The previous prime is 245301113. The next prime is 245301149. The reversal of 245301140 is 41103542.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245301149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124886 + ... + 126834.
It is an arithmetic number, because the mean of its divisors is an integer number (6552000).
Almost surely, 2245301140 is an apocalyptic number.
245301140 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 245301140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496000).
245301140 is an abundant number, since it is smaller than the sum of its proper divisors (383690860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245301140 is a wasteful number, since it uses less digits than its factorization.
245301140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2025 (or 2023 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 245301140 is about 15662.0924527983. The cubic root of 245301140 is about 625.9887411341.
Adding to 245301140 its reverse (41103542), we get a palindrome (286404682).
The spelling of 245301140 in words is "two hundred forty-five million, three hundred one thousand, one hundred forty".
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