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80514544 = 2411457469
BaseRepresentation
bin1001100110010…
…00110111110000
312121111120012011
410303020313300
5131102431134
611553412304
71665235165
oct463106760
9177446164
1080514544
11414a2850
1222b6a094
13138b0656
14a99c06c
157106264
hex4cc8df0

80514544 has 20 divisors (see below), whose sum is σ = 170178840. Its totient is φ = 36597440.

The previous prime is 80514517. The next prime is 80514569. The reversal of 80514544 is 44541508.

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 3 ways as a sum of consecutive naturals, for example, 228559 + ... + 228910.

It is an arithmetic number, because the mean of its divisors is an integer number (8508942).

Almost surely, 280514544 is an apocalyptic number.

It is an amenable number.

80514544 is an abundant number, since it is smaller than the sum of its proper divisors (89664296).

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

80514544 is a wasteful number, since it uses less digits than its factorization.

80514544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457488 (or 457482 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 80514544 is about 8972.9896912902. The cubic root of 80514544 is about 431.8087573721.

The spelling of 80514544 in words is "eighty million, five hundred fourteen thousand, five hundred forty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 457469 914938 1829876 3659752 5032159 7319504 10064318 20128636 40257272 80514544