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60130285 = 512026057
BaseRepresentation
bin1110010101100…
…0001111101101
311012010221020121
43211120033231
5110343132120
65544444541
71330045645
oct345301755
9135127217
1060130285
1130a3a856
1218179751
13c5c4367
147db3525
15542b5aa
hex39583ed

60130285 has 4 divisors (see below), whose sum is σ = 72156348. Its totient is φ = 48104224.

The previous prime is 60130283. The next prime is 60130321. The reversal of 60130285 is 58203106.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40998409 + 19131876 = 6403^2 + 4374^2 .

It is a cyclic number.

It is not a de Polignac number, because 60130285 - 21 = 60130283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60130283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013024 + ... + 6013033.

It is an arithmetic number, because the mean of its divisors is an integer number (18039087).

Almost surely, 260130285 is an apocalyptic number.

It is an amenable number.

60130285 is a deficient number, since it is larger than the sum of its proper divisors (12026063).

60130285 is a wasteful number, since it uses less digits than its factorization.

60130285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026062.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 60130285 is about 7754.3719926245. The cubic root of 60130285 is about 391.7699195610.

The spelling of 60130285 in words is "sixty million, one hundred thirty thousand, two hundred eighty-five".

Divisors: 1 5 12026057 60130285