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298025 = 52713131
BaseRepresentation
bin1001000110000101001
3120010210222
41020300221
534014100
610215425
72350610
oct1106051
9503728
10298025
11193a02
12124575
13a5860
147a877
155d485
hex48c29

298025 has 24 divisors (see below), whose sum is σ = 458304. Its totient is φ = 187200.

The previous prime is 298021. The next prime is 298031. The reversal of 298025 is 520892.

It is not a de Polignac number, because 298025 - 22 = 298021 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 297985 and 298003.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 298025.

It is not an unprimeable number, because it can be changed into a prime (298021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2210 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (19096).

2298025 is an apocalyptic number.

298025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

298025 is a deficient number, since it is larger than the sum of its proper divisors (160279).

298025 is a wasteful number, since it uses less digits than its factorization.

298025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 298025 is about 545.9166603063. The cubic root of 298025 is about 66.7960681109.

The spelling of 298025 in words is "two hundred ninety-eight thousand, twenty-five".

Divisors: 1 5 7 13 25 35 65 91 131 175 325 455 655 917 1703 2275 3275 4585 8515 11921 22925 42575 59605 298025