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298425625 = 546912
BaseRepresentation
bin10001110010011…
…001110100011001
3202210112120222221
4101302121310121
51102344110000
645340144041
710252401361
oct2162316431
9683476887
10298425625
111434a9653
1283b38021
1349a99314
142b8c39a1
151b2ec61a
hex11c99d19

298425625 has 15 divisors (see below), whose sum is σ = 373453113. Its totient is φ = 238395000.

The previous prime is 298425619. The next prime is 298425637. The reversal of 298425625 is 526524892.

The square root of 298425625 is 17275.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 23396569 + 275029056 = 4837^2 + 16584^2 .

It is not a de Polignac number, because 298425625 - 217 = 298294553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 431530 + ... + 432220.

Almost surely, 2298425625 is an apocalyptic number.

298425625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298425625 is the 17275-th square number.

298425625 is the 8638-th centered octagonal number.

It is an amenable number.

298425625 is a deficient number, since it is larger than the sum of its proper divisors (75027488).

298425625 is an frugal number, since it uses more digits than its factorization.

298425625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 696 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The cubic root of 298425625 is about 668.2598527984.

Adding to 298425625 its product of digits (345600), we get a square (298771225 = 172852).

The spelling of 298425625 in words is "two hundred ninety-eight million, four hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 691 3455 17275 86375 431875 477481 2387405 11937025 59685125 298425625