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80803043 = 731106891
BaseRepresentation
bin1001101000011…
…11010011100011
312122001012221022
410310033103203
5131141144133
612003520055
72000546246
oct464172343
9178035838
1080803043
114167a582
122308902b
1313981a69
14aa3525d
157161998
hex4d0f4e3

80803043 has 4 divisors (see below), whose sum is σ = 81910008. Its totient is φ = 79696080.

The previous prime is 80803031. The next prime is 80803069. The reversal of 80803043 is 34030808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80803043 - 212 = 80798947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80803003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553373 + ... + 553518.

It is an arithmetic number, because the mean of its divisors is an integer number (20477502).

Almost surely, 280803043 is an apocalyptic number.

80803043 is a deficient number, since it is larger than the sum of its proper divisors (1106965).

80803043 is a wasteful number, since it uses less digits than its factorization.

80803043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106964.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 80803043 is about 8989.0512847575. The cubic root of 80803043 is about 432.3238936871.

The spelling of 80803043 in words is "eighty million, eight hundred three thousand, forty-three".

Divisors: 1 73 1106891 80803043