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8190260225 = 527197237571
BaseRepresentation
bin1111010000010110…
…10111010000000001
3210010210102022212022
413220023113100001
5113233201311400
63432413411225
7406651030460
oct75013272001
923123368768
108190260225
113523208804
121706a99b15
13a06a9a134
14579a729d7
1532e07db85
hex1e82d7401

8190260225 has 24 divisors (see below), whose sum is σ = 11665735488. Its totient is φ = 5587646400.

The previous prime is 8190260219. The next prime is 8190260237. The reversal of 8190260225 is 5220620918.

It is a happy number.

It is not a de Polignac number, because 8190260225 - 220 = 8189211649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84311 + ... + 153260.

It is an arithmetic number, because the mean of its divisors is an integer number (486072312).

Almost surely, 28190260225 is an apocalyptic number.

It is an amenable number.

8190260225 is a deficient number, since it is larger than the sum of its proper divisors (3475475263).

8190260225 is a wasteful number, since it uses less digits than its factorization.

8190260225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237785 (or 237780 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 8190260225 is about 90500.0564916951. The cubic root of 8190260225 is about 2015.7309627526.

The spelling of 8190260225 in words is "eight billion, one hundred ninety million, two hundred sixty thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 197 985 1379 4925 6895 34475 237571 1187855 1662997 5939275 8314985 41574925 46801487 234007435 327610409 1170037175 1638052045 8190260225