Base | Representation |
---|---|
bin | 11101010001000… |
… | …01110111100100 |
3 | 122002221222020121 |
4 | 32220201313210 |
5 | 1000322134013 |
6 | 40210011324 |
7 | 6040522333 |
oct | 1650416744 |
9 | 562858217 |
10 | 245505508 |
11 | 116643a16 |
12 | 6a276b44 |
13 | 3bb2aa41 |
14 | 24869d1a |
15 | 1684758d |
hex | ea21de4 |
245505508 has 36 divisors (see below), whose sum is σ = 446750640. Its totient is φ = 118036512.
The previous prime is 245505493. The next prime is 245505509. The reversal of 245505508 is 805505542.
245505508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (245505509) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585723 + ... + 586141.
It is an arithmetic number, because the mean of its divisors is an integer number (12409740).
Almost surely, 2245505508 is an apocalyptic number.
It is an amenable number.
245505508 is a deficient number, since it is larger than the sum of its proper divisors (201245132).
245505508 is a wasteful number, since it uses less digits than its factorization.
245505508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604 (or 565 counting only the distinct ones).
The product of its (nonzero) digits is 40000, while the sum is 34.
The square root of 245505508 is about 15668.6153823495. The cubic root of 245505508 is about 626.1625364337.
Adding to 245505508 its sum of digits (34), we get a palindrome (245505542).
The spelling of 245505508 in words is "two hundred forty-five million, five hundred five thousand, five hundred eight".
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