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80233386 = 2318897079
BaseRepresentation
bin1001100100001…
…00001110101010
312120222021111220
410302010032222
5131014432021
611543402510
71662654402
oct462041652
9176867456
1080233386
1141320592
1222a53436
131381269c
14a927802
15709ccc6
hex4c843aa

80233386 has 16 divisors (see below), whose sum is σ = 160574400. Its totient is φ = 26726528.

The previous prime is 80233367. The next prime is 80233403. The reversal of 80233386 is 68333208.

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 7 ways as a sum of consecutive naturals, for example, 7795 + ... + 14873.

It is an arithmetic number, because the mean of its divisors is an integer number (10035900).

Almost surely, 280233386 is an apocalyptic number.

80233386 is an abundant number, since it is smaller than the sum of its proper divisors (80341014).

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

80233386 is a wasteful number, since it uses less digits than its factorization.

80233386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 80233386 is about 8957.3090825314. The cubic root of 80233386 is about 431.3055436125.

The spelling of 80233386 in words is "eighty million, two hundred thirty-three thousand, three hundred eighty-six".

Divisors: 1 2 3 6 1889 3778 5667 7079 11334 14158 21237 42474 13372231 26744462 40116693 80233386