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80195426 = 2174157529
BaseRepresentation
bin1001100011110…
…10111101100010
312120220100102222
410301322331202
5131012223201
611542511042
71662435623
oct461727542
9176810388
1080195426
11412a5013
1222a35482
13137cb31c
14a917a4a
15709191b
hex4c7af62

80195426 has 16 divisors (see below), whose sum is σ = 130478040. Its totient is φ = 36817920.

The previous prime is 80195417. The next prime is 80195459. The reversal of 80195426 is 62459108.

It can be written as a sum of positive squares in 4 ways, for example, as 71487025 + 8708401 = 8455^2 + 2951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27371 + ... + 30158.

Almost surely, 280195426 is an apocalyptic number.

80195426 is a deficient number, since it is larger than the sum of its proper divisors (50282614).

80195426 is a wasteful number, since it uses less digits than its factorization.

80195426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57589.

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

The square root of 80195426 is about 8955.1898919007. The cubic root of 80195426 is about 431.2375131580.

The spelling of 80195426 in words is "eighty million, one hundred ninety-five thousand, four hundred twenty-six".

Divisors: 1 2 17 34 41 82 697 1394 57529 115058 977993 1955986 2358689 4717378 40097713 80195426