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80228716 = 22191516991
BaseRepresentation
bin1001100100000…
…11000101101100
312120222001002221
410302003011230
5131014304331
611543325124
71662634651
oct462030554
9176861087
1080228716
1141318027
1222a507a4
1313810519
14a925c28
15709b711
hex4c8316c

80228716 has 24 divisors (see below), whose sum is σ = 148789760. Its totient is φ = 37746000.

The previous prime is 80228711. The next prime is 80228717. The reversal of 80228716 is 61782208.

It is not an unprimeable number, because it can be changed into a prime (80228711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7981 + ... + 14971.

Almost surely, 280228716 is an apocalyptic number.

It is an amenable number.

80228716 is a deficient number, since it is larger than the sum of its proper divisors (68561044).

80228716 is a wasteful number, since it uses less digits than its factorization.

80228716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165 (or 7163 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 80228716 is about 8957.0483977703. The cubic root of 80228716 is about 431.2971753755.

The spelling of 80228716 in words is "eighty million, two hundred twenty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 19 38 76 151 302 604 2869 5738 6991 11476 13982 27964 132829 265658 531316 1055641 2111282 4222564 20057179 40114358 80228716