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80289175 = 5215972011
BaseRepresentation
bin1001100100100…
…01110110010111
312121002010001011
410302101312113
5131023223200
611544513051
71663306141
oct462216627
9177063034
1080289175
114135949a
1222a7b787
1313831bb5
14a93dc91
1570ae5ba
hex4c91d97

80289175 has 12 divisors (see below), whose sum is σ = 99670456. Its totient is φ = 64159200.

The previous prime is 80289161. The next prime is 80289203. The reversal of 80289175 is 57198208.

It is not a de Polignac number, because 80289175 - 211 = 80287127 is a prime.

It is a Duffinian number.

It is a congruent 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, 38920 + ... + 40930.

Almost surely, 280289175 is an apocalyptic number.

80289175 is a deficient number, since it is larger than the sum of its proper divisors (19381281).

80289175 is a wasteful number, since it uses less digits than its factorization.

80289175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3613 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 80289175 is about 8960.4227020828. The cubic root of 80289175 is about 431.4054875854.

The spelling of 80289175 in words is "eighty million, two hundred eighty-nine thousand, one hundred seventy-five".

Divisors: 1 5 25 1597 2011 7985 10055 39925 50275 3211567 16057835 80289175