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80152473 = 343621337
BaseRepresentation
bin1001100011100…
…00011110011001
312120211011112010
410301300132121
5131004334343
611541540133
71662166452
oct461603631
9176734463
1080152473
1141275815
1222a14649
13137b48cb
14a906129
157083d33
hex4c70799

80152473 has 8 divisors (see below), whose sum is σ = 109355488. Its totient is φ = 52192224.

The previous prime is 80152463. The next prime is 80152487. The reversal of 80152473 is 37425108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80152473 - 26 = 80152409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80152473.

It is not an unprimeable number, because it can be changed into a prime (80152463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 310540 + ... + 310797.

It is an arithmetic number, because the mean of its divisors is an integer number (13669436).

Almost surely, 280152473 is an apocalyptic number.

It is an amenable number.

80152473 is a deficient number, since it is larger than the sum of its proper divisors (29203015).

80152473 is a wasteful number, since it uses less digits than its factorization.

80152473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621383.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 80152473 is about 8952.7913524219. The cubic root of 80152473 is about 431.1605085465.

The spelling of 80152473 in words is "eighty million, one hundred fifty-two thousand, four hundred seventy-three".

Divisors: 1 3 43 129 621337 1864011 26717491 80152473