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60728620 = 2253036431
BaseRepresentation
bin1110011110101…
…0010100101100
311020021100000011
43213222110230
5111021303440
610005343004
71335120241
oct347522454
9136240004
1060728620
1131309347
1218407a64
13c7737c4
1480cb5c8
1554e89ea
hex39ea52c

60728620 has 12 divisors (see below), whose sum is σ = 127530144. Its totient is φ = 24291440.

The previous prime is 60728593. The next prime is 60728621. The reversal of 60728620 is 2682706.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (60728621) 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, 1518196 + ... + 1518235.

It is an arithmetic number, because the mean of its divisors is an integer number (10627512).

Almost surely, 260728620 is an apocalyptic number.

It is an amenable number.

60728620 is an abundant number, since it is smaller than the sum of its proper divisors (66801524).

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

60728620 is a wasteful number, since it uses less digits than its factorization.

60728620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036440 (or 3036438 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 60728620 is about 7792.8569857274. The cubic root of 60728620 is about 393.0650872997.

The spelling of 60728620 in words is "sixty million, seven hundred twenty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 3036431 6072862 12145724 15182155 30364310 60728620