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60728201 = 118151421
BaseRepresentation
bin1110011110101…
…0001110001001
311020021022102122
43213222032021
5111021300301
610005341025
71335116102
oct347521611
9136238378
1060728201
1131308aa6
1218407775
13c773561
1480cb3a9
1554e881b
hex39ea389

60728201 has 4 divisors (see below), whose sum is σ = 60780804. Its totient is φ = 60675600.

The previous prime is 60728191. The next prime is 60728203. The reversal of 60728201 is 10282706.

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 47623801 + 13104400 = 6901^2 + 3620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60728201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60728203) 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, 24530 + ... + 26891.

It is an arithmetic number, because the mean of its divisors is an integer number (15195201).

Almost surely, 260728201 is an apocalyptic number.

It is an amenable number.

60728201 is a deficient number, since it is larger than the sum of its proper divisors (52603).

60728201 is a wasteful number, since it uses less digits than its factorization.

60728201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52602.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 60728201 is about 7792.8301020874. The cubic root of 60728201 is about 393.0641833072.

The spelling of 60728201 in words is "sixty million, seven hundred twenty-eight thousand, two hundred one".

Divisors: 1 1181 51421 60728201