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80803406 = 261662323
BaseRepresentation
bin1001101000011…
…11011001001110
312122001020102202
410310033121032
5131141202111
612003521502
72000550305
oct464173116
9178036382
1080803406
114167a882
1223089292
1313981c88
14aa3543c
157161b3b
hex4d0f64e

80803406 has 8 divisors (see below), whose sum is σ = 123192264. Its totient is φ = 39739320.

The previous prime is 80803403. The next prime is 80803423. The reversal of 80803406 is 60430808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80803403) 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, 331040 + ... + 331283.

It is an arithmetic number, because the mean of its divisors is an integer number (15399033).

Almost surely, 280803406 is an apocalyptic number.

80803406 is a deficient number, since it is larger than the sum of its proper divisors (42388858).

80803406 is a wasteful number, since it uses less digits than its factorization.

80803406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662386.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 80803406 is about 8989.0714759646. The cubic root of 80803406 is about 432.3245410775.

The spelling of 80803406 in words is "eighty million, eight hundred three thousand, four hundred six".

Divisors: 1 2 61 122 662323 1324646 40401703 80803406