Base | Representation |
---|---|
bin | 11101010001010… |
… | …00010111100010 |
3 | 122010000022202121 |
4 | 32220220113202 |
5 | 1000324012010 |
6 | 40210334454 |
7 | 6040663054 |
oct | 1650502742 |
9 | 563008677 |
10 | 245532130 |
11 | 116661a18 |
12 | 6a28a42a |
13 | 3bb39bac |
14 | 248758d4 |
15 | 168503da |
hex | ea285e2 |
245532130 has 32 divisors (see below), whose sum is σ = 462081024. Its totient is φ = 93758016.
The previous prime is 245532127. The next prime is 245532169. The reversal of 245532130 is 31235542.
It is a junction number, because it is equal to n+sod(n) for n = 245532095 and 245532104.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 197872 + ... + 199108.
It is an arithmetic number, because the mean of its divisors is an integer number (14440032).
Almost surely, 2245532130 is an apocalyptic number.
245532130 is a deficient number, since it is larger than the sum of its proper divisors (216548894).
245532130 is a wasteful number, since it uses less digits than its factorization.
245532130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2130.
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 245532130 is about 15669.4648919483. The cubic root of 245532130 is about 626.1851687794.
Adding to 245532130 its reverse (31235542), we get a palindrome (276767672).
It can be divided in two parts, 2 and 45532130, that multiplied together give a triangular number (91064260 = T13495).
The spelling of 245532130 in words is "two hundred forty-five million, five hundred thirty-two thousand, one hundred thirty".
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