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61080059 = 75780687
BaseRepresentation
bin1110100100000…
…0000111111011
311020221012002102
43221000013323
5111114030214
610021054015
71341112655
oct351000773
9136835072
1061080059
1131529397
121855730b
13c867761
14817d6d5
155567bde
hex3a401fb

61080059 has 4 divisors (see below), whose sum is σ = 61161504. Its totient is φ = 60998616.

The previous prime is 61080043. The next prime is 61080067. The reversal of 61080059 is 95008016.

61080059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61080059 - 24 = 61080043 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61080559) 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 3 ways as a sum of consecutive naturals, for example, 39587 + ... + 41100.

It is an arithmetic number, because the mean of its divisors is an integer number (15290376).

Almost surely, 261080059 is an apocalyptic number.

61080059 is a deficient number, since it is larger than the sum of its proper divisors (81445).

61080059 is an equidigital number, since it uses as much as digits as its factorization.

61080059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81444.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 61080059 is about 7815.3732476447. The cubic root of 61080059 is about 393.8218572476.

The spelling of 61080059 in words is "sixty-one million, eighty thousand, fifty-nine".

Divisors: 1 757 80687 61080059