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605240142 = 23137759489
BaseRepresentation
bin100100000100110…
…011101101001110
31120011212101101120
4210010303231032
52214420141032
6140020221410
720666312343
oct4404635516
91504771346
10605240142
11290707971
1214a83a866
1398511a80
145a54c7ca
153820562c
hex24133b4e

605240142 has 16 divisors (see below), whose sum is σ = 1303594320. Its totient is φ = 186227712.

The previous prime is 605240071. The next prime is 605240143. The reversal of 605240142 is 241042506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605240143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3879667 + ... + 3879822.

It is an arithmetic number, because the mean of its divisors is an integer number (81474645).

Almost surely, 2605240142 is an apocalyptic number.

605240142 is an abundant number, since it is smaller than the sum of its proper divisors (698354178).

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

605240142 is a wasteful number, since it uses less digits than its factorization.

605240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7759507.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 605240142 is about 24601.6288485133. The cubic root of 605240142 is about 845.8809444097.

Adding to 605240142 its reverse (241042506), we get a palindrome (846282648).

The spelling of 605240142 in words is "six hundred five million, two hundred forty thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 7759489 15518978 23278467 46556934 100873357 201746714 302620071 605240142