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80059385 = 572326773
BaseRepresentation
bin1001100010110…
…01101111111001
312120122102211102
410301121233321
5130443400020
611535541145
71661331200
oct461315771
9176572742
1080059385
114121188a
122298a7b5
1313781423
14a8c0237
157066475
hex4c59bf9

80059385 has 12 divisors (see below), whose sum is σ = 111756708. Its totient is φ = 54897696.

The previous prime is 80059381. The next prime is 80059411. The reversal of 80059385 is 58395008.

It can be written as a sum of positive squares in 2 ways, for example, as 32228329 + 47831056 = 5677^2 + 6916^2 .

It is not a de Polignac number, because 80059385 - 22 = 80059381 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80059381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163142 + ... + 163631.

It is an arithmetic number, because the mean of its divisors is an integer number (9313059).

Almost surely, 280059385 is an apocalyptic number.

It is an amenable number.

80059385 is a deficient number, since it is larger than the sum of its proper divisors (31697323).

80059385 is a wasteful number, since it uses less digits than its factorization.

80059385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326792 (or 326785 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 80059385 is about 8947.5910165809. The cubic root of 80059385 is about 430.9935292228.

The spelling of 80059385 in words is "eighty million, fifty-nine thousand, three hundred eighty-five".

Divisors: 1 5 7 35 49 245 326773 1633865 2287411 11437055 16011877 80059385