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80048520 = 23335194783
BaseRepresentation
bin1001100010101…
…11000110001000
312120121212221000
410301113012020
5130443023040
611535415000
71661254416
oct461270610
9176555830
1080048520
1141204702
1222984460
13137794b6
14a8ba2b6
157063130
hex4c57188

80048520 has 256 divisors, whose sum is σ = 290304000. Its totient is φ = 19554048.

The previous prime is 80048513. The next prime is 80048543. The reversal of 80048520 is 2584008.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 964399 + ... + 964481.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 280048520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80048520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152000).

80048520 is an abundant number, since it is smaller than the sum of its proper divisors (210255480).

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

80048520 is a wasteful number, since it uses less digits than its factorization.

80048520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 80048520 is about 8946.9838493204. The cubic root of 80048520 is about 430.9740313773.

The spelling of 80048520 in words is "eighty million, forty-eight thousand, five hundred twenty".