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80144848 = 247715579
BaseRepresentation
bin1001100011011…
…10100111010000
312120210210001201
410301232213100
5131004113343
611541440544
71662135310
oct461564720
9176723051
1080144848
1141270013
1222a10154
13137b12b4
14a903440
15708194d
hex4c6e9d0

80144848 has 20 divisors (see below), whose sum is σ = 177463840. Its totient is φ = 34347744.

The previous prime is 80144821. The next prime is 80144861. The reversal of 80144848 is 84844108.

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, 357678 + ... + 357901.

It is an arithmetic number, because the mean of its divisors is an integer number (8873192).

Almost surely, 280144848 is an apocalyptic number.

It is an amenable number.

80144848 is an abundant number, since it is smaller than the sum of its proper divisors (97318992).

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

80144848 is a wasteful number, since it uses less digits than its factorization.

80144848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715594 (or 715588 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 80144848 is about 8952.3654974537. The cubic root of 80144848 is about 431.1468358424.

The spelling of 80144848 in words is "eighty million, one hundred forty-four thousand, eight hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 715579 1431158 2862316 5009053 5724632 10018106 11449264 20036212 40072424 80144848