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80243324 = 2272939781
BaseRepresentation
bin1001100100001…
…10101001111100
312120222210010222
410302012221330
5131020241244
611543520512
71663025360
oct462065174
9176883128
1080243324
1141327aa7
1222a59138
1313817075
14a92b2a0
1570a0bee
hex4c86a7c

80243324 has 24 divisors (see below), whose sum is σ = 161050848. Its totient is φ = 34269120.

The previous prime is 80243311. The next prime is 80243329. The reversal of 80243324 is 42334208.

It is a junction number, because it is equal to n+sod(n) for n = 80243293 and 80243302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80243329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3314 + ... + 13094.

It is an arithmetic number, because the mean of its divisors is an integer number (6710452).

Almost surely, 280243324 is an apocalyptic number.

It is an amenable number.

80243324 is an abundant number, since it is smaller than the sum of its proper divisors (80807524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80243324 is a wasteful number, since it uses less digits than its factorization.

80243324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085 (or 10083 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 80243324 is about 8957.8638078506. The cubic root of 80243324 is about 431.3233505702.

The spelling of 80243324 in words is "eighty million, two hundred forty-three thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 293 586 1172 2051 4102 8204 9781 19562 39124 68467 136934 273868 2865833 5731666 11463332 20060831 40121662 80243324