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198295025 = 5237214373
BaseRepresentation
bin10111101000110…
…11110111110001
3111211010102122012
423310123313301
5401230420100
631402052305
74625323415
oct1364336761
9454112565
10198295025
11a1a28a95
12564aa095
133210b246
141c49ad45
151261e135
hexbd1bdf1

198295025 has 12 divisors (see below), whose sum is σ = 252532572. Its totient is φ = 154347840.

The previous prime is 198295007. The next prime is 198295043. The reversal of 198295025 is 520592891.

It is an interprime number because it is at equal distance from previous prime (198295007) and next prime (198295043).

It can be written as a sum of positive squares in 6 ways, for example, as 41319184 + 156975841 = 6428^2 + 12529^2 .

It is not a de Polignac number, because 198295025 - 26 = 198294961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106262 + ... + 108111.

It is an arithmetic number, because the mean of its divisors is an integer number (21044381).

Almost surely, 2198295025 is an apocalyptic number.

It is an amenable number.

198295025 is a deficient number, since it is larger than the sum of its proper divisors (54237547).

198295025 is a wasteful number, since it uses less digits than its factorization.

198295025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214420 (or 214415 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 198295025 is about 14081.7266341880. The cubic root of 198295025 is about 583.1370105783.

The spelling of 198295025 in words is "one hundred ninety-eight million, two hundred ninety-five thousand, twenty-five".

Divisors: 1 5 25 37 185 925 214373 1071865 5359325 7931801 39659005 198295025