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298828125 = 325917
BaseRepresentation
bin10001110011111…
…100000101011101
3202211022001010100
4101303330011131
51103000000000
645352531313
710255666011
oct2163740535
9684261110
10298828125
11143753aa2
12840b0b39
1349baa59b
142b98a541
151b37ba00
hex11cfc15d

298828125 has 60 divisors (see below), whose sum is σ = 571289004. Its totient is φ = 150000000.

The previous prime is 298828111. The next prime is 298828129. The reversal of 298828125 is 521828892.

It can be written as a sum of positive squares in 10 ways, for example, as 25190361 + 273637764 = 5019^2 + 16542^2 .

It is not a de Polignac number, because 298828125 - 28 = 298827869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298828129) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 17578117 + ... + 17578133.

Almost surely, 2298828125 is an apocalyptic number.

298828125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

298828125 is a deficient number, since it is larger than the sum of its proper divisors (272460879).

298828125 is an frugal number, since it uses more digits than its factorization.

298828125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 25 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 298828125 is about 17286.6458574242. The cubic root of 298828125 is about 668.5601551549.

It can be divided in two parts, 2988 and 28125, that added together give a palindrome (31113).

The spelling of 298828125 in words is "two hundred ninety-eight million, eight hundred twenty-eight thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 125 153 225 255 375 425 625 765 1125 1275 1875 2125 3125 3825 5625 6375 9375 10625 15625 19125 28125 31875 46875 53125 78125 95625 140625 159375 234375 265625 390625 478125 703125 796875 1171875 1328125 1953125 2390625 3515625 3984375 5859375 6640625 11953125 17578125 19921875 33203125 59765625 99609375 298828125