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80108832 = 2531376091
BaseRepresentation
bin1001100011001…
…01110100100000
312120201221122210
410301211310200
5131001440312
611541002120
71661625306
oct461456440
9176657583
1080108832
1141245a51
12229b3340
131379aa9b
14a8d4276
157075e3c
hex4c65d20

80108832 has 48 divisors (see below), whose sum is σ = 211855392. Its totient is φ = 26503680.

The previous prime is 80108827. The next prime is 80108849. The reversal of 80108832 is 23880108.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 80108832.

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 7 ways as a sum of consecutive naturals, for example, 10107 + ... + 16197.

It is an arithmetic number, because the mean of its divisors is an integer number (4413654).

Almost surely, 280108832 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 80108832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105927696).

80108832 is an abundant number, since it is smaller than the sum of its proper divisors (131746560).

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

80108832 is a wasteful number, since it uses less digits than its factorization.

80108832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 80108832 is about 8950.3537360263. The cubic root of 80108832 is about 431.0822423326.

The spelling of 80108832 in words is "eighty million, one hundred eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 137 274 411 548 822 1096 1644 2192 3288 4384 6091 6576 12182 13152 18273 24364 36546 48728 73092 97456 146184 194912 292368 584736 834467 1668934 2503401 3337868 5006802 6675736 10013604 13351472 20027208 26702944 40054416 80108832