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80532372 = 2236711031
BaseRepresentation
bin1001100110011…
…01001110010100
312121112110122110
410303031032110
5131104013442
611554031020
71665341154
oct463151624
9177473573
1080532372
1141505188
1222b78470
13138b87bb
14a9a4764
15710b69c
hex4ccd394

80532372 has 12 divisors (see below), whose sum is σ = 187908896. Its totient is φ = 26844120.

The previous prime is 80532367. The next prime is 80532379. The reversal of 80532372 is 27323508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80532379) 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 3 ways as a sum of consecutive naturals, for example, 3355504 + ... + 3355527.

Almost surely, 280532372 is an apocalyptic number.

It is an amenable number.

80532372 is an abundant number, since it is smaller than the sum of its proper divisors (107376524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80532372 is a wasteful number, since it uses less digits than its factorization.

80532372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711038 (or 6711036 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 80532372 is about 8973.9830621636. The cubic root of 80532372 is about 431.8406262247.

The spelling of 80532372 in words is "eighty million, five hundred thirty-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 6711031 13422062 20133093 26844124 40266186 80532372