Base | Representation |
---|---|
bin | 11101010000010… |
… | …11100100011100 |
3 | 122002210022221210 |
4 | 32220023210130 |
5 | 1000311223142 |
6 | 40204024420 |
7 | 6036662133 |
oct | 1650134434 |
9 | 562708853 |
10 | 245414172 |
11 | 116591333 |
12 | 6a232110 |
13 | 3bac82b3 |
14 | 2484491a |
15 | 1682a49c |
hex | ea0b91c |
245414172 has 12 divisors (see below), whose sum is σ = 572633096. Its totient is φ = 81804720.
The previous prime is 245414149. The next prime is 245414173. The reversal of 245414172 is 271414542.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245414173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10225579 + ... + 10225602.
Almost surely, 2245414172 is an apocalyptic number.
It is an amenable number.
245414172 is an abundant number, since it is smaller than the sum of its proper divisors (327218924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245414172 is a wasteful number, since it uses less digits than its factorization.
245414172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20451188 (or 20451186 counting only the distinct ones).
The product of its digits is 8960, while the sum is 30.
The square root of 245414172 is about 15665.7004950305. The cubic root of 245414172 is about 626.0848758880.
The spelling of 245414172 in words is "two hundred forty-five million, four hundred fourteen thousand, one hundred seventy-two".
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