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80858806 = 2741140869
BaseRepresentation
bin1001101000111…
…00111010110110
312122011001102121
410310130322312
5131144440211
612005030154
72001200650
oct464347266
9178131377
1080858806
1141708466
12230b535a
13139a1262
14aa4b6d0
157173271
hex4d1ceb6

80858806 has 16 divisors (see below), whose sum is σ = 141996960. Its totient is φ = 33808320.

The previous prime is 80858803. The next prime is 80858809. The reversal of 80858806 is 60885808.

It is an interprime number because it is at equal distance from previous prime (80858803) and next prime (80858809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80858803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69861 + ... + 71008.

It is an arithmetic number, because the mean of its divisors is an integer number (8874810).

Almost surely, 280858806 is an apocalyptic number.

80858806 is a deficient number, since it is larger than the sum of its proper divisors (61138154).

80858806 is a wasteful number, since it uses less digits than its factorization.

80858806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140919.

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 80858806 is about 8992.1524675686. The cubic root of 80858806 is about 432.4233211875.

The spelling of 80858806 in words is "eighty million, eight hundred fifty-eight thousand, eight hundred six".

Divisors: 1 2 7 14 41 82 287 574 140869 281738 986083 1972166 5775629 11551258 40429403 80858806