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60242181 = 320080727
BaseRepresentation
bin1110010111001…
…1100100000101
311012100121201220
43211303210011
5110410222211
65551110553
71331023116
oct345634405
9135317656
1060242181
113100692a
1218212459
13c63327c
14800220d
15544e806
hex3973905

60242181 has 4 divisors (see below), whose sum is σ = 80322912. Its totient is φ = 40161452.

The previous prime is 60242173. The next prime is 60242191. The reversal of 60242181 is 18124206.

60242181 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60242181 - 23 = 60242173 is a prime.

It is a super-2 number, since 2×602421812 = 7258240743273522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60242131) 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, 10040361 + ... + 10040366.

It is an arithmetic number, because the mean of its divisors is an integer number (20080728).

Almost surely, 260242181 is an apocalyptic number.

It is an amenable number.

60242181 is a deficient number, since it is larger than the sum of its proper divisors (20080731).

60242181 is a wasteful number, since it uses less digits than its factorization.

60242181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20080730.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 60242181 is about 7761.5836657218. The cubic root of 60242181 is about 392.0127828852.

Adding to 60242181 its reverse (18124206), we get a palindrome (78366387).

The spelling of 60242181 in words is "sixty million, two hundred forty-two thousand, one hundred eighty-one".

Divisors: 1 3 20080727 60242181