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80286101 = 713187553
BaseRepresentation
bin1001100100100…
…01000110010101
312121001221211022
410302101012111
5131023123401
611544450525
71663264160
oct462210625
9177057738
1080286101
1141357155
1222a79a45
131383068c
14a93cad7
1570ad71b
hex4c91195

80286101 has 8 divisors (see below), whose sum is σ = 92457024. Its totient is φ = 68290560.

The previous prime is 80286091. The next prime is 80286109. The reversal of 80286101 is 10168208.

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

It is a cyclic number.

It is not a de Polignac number, because 80286101 - 210 = 80285077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80286109) 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, 42860 + ... + 44693.

It is an arithmetic number, because the mean of its divisors is an integer number (11557128).

Almost surely, 280286101 is an apocalyptic number.

It is an amenable number.

80286101 is a deficient number, since it is larger than the sum of its proper divisors (12170923).

80286101 is a wasteful number, since it uses less digits than its factorization.

80286101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87691.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 80286101 is about 8960.2511683546. The cubic root of 80286101 is about 431.3999818311.

The spelling of 80286101 in words is "eighty million, two hundred eighty-six thousand, one hundred one".

Divisors: 1 7 131 917 87553 612871 11469443 80286101