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80109373 is a prime number
BaseRepresentation
bin1001100011001…
…01111100111101
312120201222101211
410301211330331
5131001444443
611541004421
71661630011
oct461457475
9176658354
1080109373
11412463a3
12229b3711
131379b0c6
14a8d4541
15707619d
hex4c65f3d

80109373 has 2 divisors, whose sum is σ = 80109374. Its totient is φ = 80109372.

The previous prime is 80109349. The next prime is 80109401. The reversal of 80109373 is 37390108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54434884 + 25674489 = 7378^2 + 5067^2 .

It is a cyclic number.

It is not a de Polignac number, because 80109373 - 225 = 46554941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80109343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40054686 + 40054687.

It is an arithmetic number, because the mean of its divisors is an integer number (40054687).

Almost surely, 280109373 is an apocalyptic number.

It is an amenable number.

80109373 is a deficient number, since it is larger than the sum of its proper divisors (1).

80109373 is an equidigital number, since it uses as much as digits as its factorization.

80109373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 80109373 is about 8950.3839582445. The cubic root of 80109373 is about 431.0832127415.

The spelling of 80109373 in words is "eighty million, one hundred nine thousand, three hundred seventy-three".