Base | Representation |
---|---|
bin | 11101010000110… |
… | …00000010010110 |
3 | 122002212221000010 |
4 | 32220120002112 |
5 | 1000314341423 |
6 | 40205101050 |
7 | 6040264044 |
oct | 1650300226 |
9 | 562787003 |
10 | 245465238 |
11 | 116616737 |
12 | 6a257786 |
13 | 3bb15605 |
14 | 24859394 |
15 | 1683a693 |
hex | ea18096 |
245465238 has 8 divisors (see below), whose sum is σ = 490930488. Its totient is φ = 81821744.
The previous prime is 245465197. The next prime is 245465239. The reversal of 245465238 is 832564542.
It is a sphenic number, since it is the product of 3 distinct primes.
245465238 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 245465196 and 245465205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245465239) 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 3 ways as a sum of consecutive naturals, for example, 20455431 + ... + 20455442.
It is an arithmetic number, because the mean of its divisors is an integer number (61366311).
Almost surely, 2245465238 is an apocalyptic number.
245465238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245465238 is a wasteful number, since it uses less digits than its factorization.
245465238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40910878.
The product of its digits is 230400, while the sum is 39.
The square root of 245465238 is about 15667.3302767255. The cubic root of 245465238 is about 626.1282983096.
The spelling of 245465238 in words is "two hundred forty-five million, four hundred sixty-five thousand, two hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.129 sec. • engine limits •