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190816080625 = 5410121732
BaseRepresentation
bin1011000110110110000…
…1100101001011110001
3200020112022010020112101
42301231201211023301
511111242404040000
6223354254500401
716533412631602
oct2615541451361
9606468106471
10190816080625
1173a19780695
1230b93b04701
1314cbc725061
1493424b1da9
154e6c067e6a
hex2c6d8652f1

190816080625 has 45 divisors (see below), whose sum is σ = 242228094229. Its totient is φ = 150267800000.

The previous prime is 190816080607. The next prime is 190816080629. The reversal of 190816080625 is 526080618091.

The square root of 190816080625 is 436825.

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

190816080625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 22 ways, for example, as 95986573489 + 94829507136 = 309817^2 + 307944^2 .

It is not a de Polignac number, because 190816080625 - 215 = 190816047857 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190816080629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1102983039 + ... + 1102983211.

Almost surely, 2190816080625 is an apocalyptic number.

190816080625 is the 436825-th square number.

190816080625 is the 218413-rd centered octagonal number.

It is an amenable number.

190816080625 is a deficient number, since it is larger than the sum of its proper divisors (51412013604).

190816080625 is an frugal number, since it uses more digits than its factorization.

190816080625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 190816080625 in words is "one hundred ninety billion, eight hundred sixteen million, eighty thousand, six hundred twenty-five".

Divisors: 1 5 25 101 125 173 505 625 865 2525 4325 10201 12625 17473 21625 29929 51005 63125 87365 108125 149645 255025 436825 748225 1275125 1764773 2184125 3022829 3741125 6375625 8823865 10920625 15114145 18705625 44119325 75570725 220596625 305305729 377853625 1102983125 1526528645 1889268125 7632643225 38163216125 190816080625