Base | Representation |
---|---|
bin | 11101001111110… |
… | …10101111001110 |
3 | 122002122211101101 |
4 | 32213322233032 |
5 | 1000302021410 |
6 | 40202333314 |
7 | 6036254134 |
oct | 1647725716 |
9 | 562584341 |
10 | 245345230 |
11 | 116544559 |
12 | 6a1ba23a |
13 | 3baa2ac0 |
14 | 24827754 |
15 | 16814d3a |
hex | e9fabce |
245345230 has 64 divisors (see below), whose sum is σ = 491774976. Its totient is φ = 87552000.
The previous prime is 245345213. The next prime is 245345231. The reversal of 245345230 is 32543542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245345231) 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, 1017910 + ... + 1018150.
It is an arithmetic number, because the mean of its divisors is an integer number (7683984).
Almost surely, 2245345230 is an apocalyptic number.
245345230 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
245345230 is a wasteful number, since it uses less digits than its factorization.
245345230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 493.
The product of its (nonzero) digits is 14400, while the sum is 28.
The square root of 245345230 is about 15663.4999281770. The cubic root of 245345230 is about 626.0262435962.
Adding to 245345230 its reverse (32543542), we get a palindrome (277888772).
The spelling of 245345230 in words is "two hundred forty-five million, three hundred forty-five thousand, two hundred thirty".
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