Base | Representation |
---|---|
bin | 11101010010000… |
… | …00100100010110 |
3 | 122010012100201212 |
4 | 32221000210112 |
5 | 1000340200004 |
6 | 40212421422 |
7 | 6041555051 |
oct | 1651004426 |
9 | 563170655 |
10 | 245631254 |
11 | 11671a440 |
12 | 6a317872 |
13 | 3bb7304b |
14 | 2489da98 |
15 | 1686e96e |
hex | ea40916 |
245631254 has 16 divisors (see below), whose sum is σ = 403221456. Its totient is φ = 111295200.
The previous prime is 245631229. The next prime is 245631307. The reversal of 245631254 is 452136542.
245631254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2456312542 = 120669425883225032, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 245631254.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 10637 + ... + 24584.
It is an arithmetic number, because the mean of its divisors is an integer number (25201341).
Almost surely, 2245631254 is an apocalyptic number.
245631254 is a deficient number, since it is larger than the sum of its proper divisors (157590202).
245631254 is a wasteful number, since it uses less digits than its factorization.
245631254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35551.
The product of its digits is 28800, while the sum is 32.
The square root of 245631254 is about 15672.6275397586. The cubic root of 245631254 is about 626.2694233706.
Adding to 245631254 its reverse (452136542), we get a palindrome (697767796).
The spelling of 245631254 in words is "two hundred forty-five million, six hundred thirty-one thousand, two hundred fifty-four".
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