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80580706 = 2379106307
BaseRepresentation
bin1001100110110…
…01000001100010
312121121220221121
410303121001202
5131112040311
611555042454
71665632113
oct463310142
9177556847
1080580706
1141538528
1222ba042a
13139047bb
14a9b820a
15711ab71
hex4cd9062

80580706 has 8 divisors (see below), whose sum is σ = 121191120. Its totient is φ = 40183668.

The previous prime is 80580679. The next prime is 80580719. The reversal of 80580706 is 60708508.

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

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 3 ways as a sum of consecutive naturals, for example, 52396 + ... + 53911.

It is an arithmetic number, because the mean of its divisors is an integer number (15148890).

Almost surely, 280580706 is an apocalyptic number.

80580706 is a deficient number, since it is larger than the sum of its proper divisors (40610414).

80580706 is a wasteful number, since it uses less digits than its factorization.

80580706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106688.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 80580706 is about 8976.6756653006. The cubic root of 80580706 is about 431.9270031268.

The spelling of 80580706 in words is "eighty million, five hundred eighty thousand, seven hundred six".

Divisors: 1 2 379 758 106307 212614 40290353 80580706