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80713306 = 240356653
BaseRepresentation
bin1001100111110…
…01011001011010
312121212122211201
410303321121122
5131130311211
612001544414
72000023522
oct463713132
9177778751
1080713306
1141619113
122304510a
131394cc6b
14aa10682
1571450c1
hex4cf965a

80713306 has 4 divisors (see below), whose sum is σ = 121069962. Its totient is φ = 40356652.

The previous prime is 80713291. The next prime is 80713307. The reversal of 80713306 is 60331708.

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

It can be written as a sum of positive squares in only one way, i.e., 65464281 + 15249025 = 8091^2 + 3905^2 .

It is not an unprimeable number, because it can be changed into a prime (80713307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20178325 + ... + 20178328.

Almost surely, 280713306 is an apocalyptic number.

80713306 is a deficient number, since it is larger than the sum of its proper divisors (40356656).

80713306 is a wasteful number, since it uses less digits than its factorization.

80713306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40356655.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 80713306 is about 8984.0584370317. The cubic root of 80713306 is about 432.1637931996.

The spelling of 80713306 in words is "eighty million, seven hundred thirteen thousand, three hundred six".

Divisors: 1 2 40356653 80713306