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198479153 is a prime number
BaseRepresentation
bin10111101010010…
…00110100110001
3111211110210012202
423311020310301
5401302313103
631410032545
74630021265
oct1365106461
9454423182
10198479153
11a2044364
1256578755
1332173cb2
141c5080a5
1512658988
hexbd48d31

198479153 has 2 divisors, whose sum is σ = 198479154. Its totient is φ = 198479152.

The previous prime is 198479147. The next prime is 198479179. The reversal of 198479153 is 351974891.

198479153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167754304 + 30724849 = 12952^2 + 5543^2 .

It is an emirp because it is prime and its reverse (351974891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198479153 - 210 = 198478129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 198479098 and 198479107.

It is not a weakly prime, because it can be changed into another prime (198479123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99239576 + 99239577.

It is an arithmetic number, because the mean of its divisors is an integer number (99239577).

Almost surely, 2198479153 is an apocalyptic number.

It is an amenable number.

198479153 is a deficient number, since it is larger than the sum of its proper divisors (1).

198479153 is an equidigital number, since it uses as much as digits as its factorization.

198479153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 198479153 is about 14088.2629518333. The cubic root of 198479153 is about 583.3174464970.

The spelling of 198479153 in words is "one hundred ninety-eight million, four hundred seventy-nine thousand, one hundred fifty-three".