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80803800 = 233252711253
BaseRepresentation
bin1001101000011…
…11011111011000
312122001020222100
410310033133120
5131141210200
612003523400
72000551410
oct464173730
9178036870
1080803800
1141680100
1223089560
13139821cc
14aa35640
157161d00
hex4d0f7d8

80803800 has 432 divisors, whose sum is σ = 347321520. Its totient is φ = 16473600.

The previous prime is 80803781. The next prime is 80803829. The reversal of 80803800 is 830808.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1524574 + ... + 1524626.

It is an arithmetic number, because the mean of its divisors is an integer number (803985).

Almost surely, 280803800 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 80803800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173660760).

80803800 is an abundant number, since it is smaller than the sum of its proper divisors (266517720).

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

80803800 is a wasteful number, since it uses less digits than its factorization.

80803800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 80803800 is about 8989.0933914383. The cubic root of 80803800 is about 432.3252437525.

The spelling of 80803800 in words is "eighty million, eight hundred three thousand, eight hundred".