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80224895 = 579832447
BaseRepresentation
bin1001100100000…
…10001001111111
312120221211212102
410302002021333
5131014144040
611543255315
71662620552
oct462021177
9176854772
1080224895
1141315173
1222a4a53b
131380b86a
14a924699
15709a515
hex4c8227f

80224895 has 16 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 62578464.

The previous prime is 80224861. The next prime is 80224913. The reversal of 80224895 is 59842208.

It is a cyclic number.

It is not a de Polignac number, because 80224895 - 26 = 80224831 is a prime.

It is a super-2 number, since 2×802248952 = 12872067555522050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31562 + ... + 34008.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 280224895 is an apocalyptic number.

80224895 is a deficient number, since it is larger than the sum of its proper divisors (18478465).

80224895 is a wasteful number, since it uses less digits than its factorization.

80224895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 80224895 is about 8956.8350995204. The cubic root of 80224895 is about 431.2903282317.

The spelling of 80224895 in words is "eighty million, two hundred twenty-four thousand, eight hundred ninety-five".

Divisors: 1 5 79 83 395 415 2447 6557 12235 32785 193313 203101 966565 1015505 16044979 80224895